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ALERT: December 13th update on the status of the nationwide data transmission error preventing stream gauge data collected at affected locations from being displayed on the Advanced Hydrologic Prediction Services (AHPS) webpages. As of 11/08/2018, The USGS has restored all impacted operational stream gauges to transmitting status. The status map of gauge outages from other agencies is here. This will be the last outage map posted as over 95% of the gauge outages have been restored. Local NWS offices will continue to monitor the remaining gauge outages.



Hydrograph River at a Glance Download
Mississippi River at Quincy Lock and Dam 21 Tailwater (ft)Flow (kcfs)Observed: 11.15 ft at 11:40PM Dec 08, 2018Observed: 11.17 ft at 11:50PM Dec 08, 2018Highest Observation: 11.18 ft at 12:00AM Dec 09, 2018Observed: 11.17 ft at 12:10AM Dec 09, 2018Observed: 11.14 ft at 12:20AM Dec 09, 2018Observed: 11.16 ft at 12:30AM Dec 09, 2018Observed: 11.16 ft at 12:40AM Dec 09, 2018Observed: 11.15 ft at 12:50AM Dec 09, 2018Observed: 11.15 ft at 1:00AM Dec 09, 2018Observed: 11.15 ft at 1:10AM Dec 09, 2018Observed: 11.15 ft at 1:20AM Dec 09, 2018Observed: 11.11 ft at 1:30AM Dec 09, 2018Observed: 11.12 ft at 1:40AM Dec 09, 2018Highest Observation: 11.18 ft at 1:50AM Dec 09, 2018Observed: 11.13 ft at 2:00AM Dec 09, 2018Observed: 11.12 ft at 2:10AM Dec 09, 2018Observed: 11.1 ft at 2:20AM Dec 09, 2018Observed: 11.09 ft at 2:30AM Dec 09, 2018Observed: 11.11 ft at 2:40AM Dec 09, 2018Observed: 11.1 ft at 2:50AM Dec 09, 2018Observed: 11.16 ft at 3:00AM Dec 09, 2018Observed: 11.1 ft at 3:10AM Dec 09, 2018Observed: 11.09 ft at 3:20AM Dec 09, 2018Observed: 11.07 ft at 3:30AM Dec 09, 2018Observed: 11.08 ft at 3:40AM Dec 09, 2018Observed: 11.09 ft at 3:50AM Dec 09, 2018Observed: 11.07 ft at 4:00AM Dec 09, 2018Observed: 11.1 ft at 4:10AM Dec 09, 2018Observed: 11.08 ft at 4:20AM Dec 09, 2018Observed: 11.06 ft at 4:30AM Dec 09, 2018Observed: 11.08 ft at 4:40AM Dec 09, 2018Observed: 11.07 ft at 4:50AM Dec 09, 2018Observed: 11.07 ft at 5:00AM Dec 09, 2018Observed: 11.05 ft at 5:10AM Dec 09, 2018Observed: 11.06 ft at 5:20AM Dec 09, 2018Observed: 11.05 ft at 5:30AM Dec 09, 2018Observed: 11.04 ft at 5:40AM Dec 09, 2018Observed: 11.05 ft at 5:50AM Dec 09, 2018Observed: 11.03 ft at 6:00AM Dec 09, 2018Observed: 11.03 ft at 6:10AM Dec 09, 2018Observed: 11.02 ft at 6:20AM Dec 09, 2018Observed: 11.03 ft at 6:30AM Dec 09, 2018Observed: 11.03 ft at 6:40AM Dec 09, 2018Observed: 11.04 ft at 6:50AM Dec 09, 2018Observed: 11.02 ft at 7:00AM Dec 09, 2018Observed: 10.99 ft at 7:10AM Dec 09, 2018Observed: 11 ft at 7:20AM Dec 09, 2018Observed: 10.99 ft at 7:30AM Dec 09, 2018Observed: 10.98 ft at 7:40AM Dec 09, 2018Observed: 11.03 ft at 7:50AM Dec 09, 2018Observed: 10.99 ft at 8:00AM Dec 09, 2018Observed: 10.96 ft at 8:10AM Dec 09, 2018Observed: 10.95 ft at 8:20AM Dec 09, 2018Observed: 10.98 ft at 8:30AM Dec 09, 2018Observed: 10.98 ft at 8:40AM Dec 09, 2018Observed: 10.96 ft at 8:50AM Dec 09, 2018Observed: 10.96 ft at 9:00AM Dec 09, 2018Observed: 10.96 ft at 9:10AM Dec 09, 2018Observed: 10.95 ft at 9:20AM Dec 09, 2018Observed: 10.94 ft at 9:30AM Dec 09, 2018Observed: 10.94 ft at 9:40AM Dec 09, 2018Observed: 10.93 ft at 9:50AM Dec 09, 2018Observed: 10.92 ft at 10:00AM Dec 09, 2018Observed: 10.93 ft at 10:10AM Dec 09, 2018Observed: 10.9 ft at 10:20AM Dec 09, 2018Observed: 10.9 ft at 10:30AM Dec 09, 2018Observed: 10.89 ft at 10:40AM Dec 09, 2018Observed: 10.89 ft at 10:50AM Dec 09, 2018Observed: 10.88 ft at 11:00AM Dec 09, 2018Observed: 10.88 ft at 11:10AM Dec 09, 2018Observed: 10.86 ft at 11:20AM Dec 09, 2018Observed: 10.84 ft at 11:30AM Dec 09, 2018Observed: 10.84 ft at 11:40AM Dec 09, 2018Observed: 10.85 ft at 11:50AM Dec 09, 2018Observed: 10.83 ft at 12:00PM Dec 09, 2018Observed: 10.84 ft at 12:10PM Dec 09, 2018Observed: 10.84 ft at 12:20PM Dec 09, 2018Observed: 10.82 ft at 12:30PM Dec 09, 2018Observed: 10.82 ft at 12:40PM Dec 09, 2018Observed: 10.66 ft at 12:50PM Dec 09, 2018Observed: 10.57 ft at 1:00PM Dec 09, 2018Observed: 10.55 ft at 1:10PM Dec 09, 2018Observed: 10.57 ft at 1:20PM Dec 09, 2018Observed: 10.55 ft at 1:30PM Dec 09, 2018Observed: 10.55 ft at 1:40PM Dec 09, 2018Observed: 10.53 ft at 1:50PM Dec 09, 2018Observed: 10.54 ft at 2:00PM Dec 09, 2018Observed: 10.53 ft at 2:10PM Dec 09, 2018Observed: 10.54 ft at 2:20PM Dec 09, 2018Observed: 10.51 ft at 2:30PM Dec 09, 2018Observed: 10.51 ft at 2:40PM Dec 09, 2018Observed: 10.5 ft at 2:50PM Dec 09, 2018Observed: 10.51 ft at 3:00PM Dec 09, 2018Observed: 10.5 ft at 3:10PM Dec 09, 2018Observed: 10.5 ft at 3:20PM Dec 09, 2018Observed: 10.43 ft at 3:30PM Dec 09, 2018Observed: 10.51 ft at 3:40PM Dec 09, 2018Observed: 10.51 ft at 3:50PM Dec 09, 2018Observed: 10.53 ft at 4:00PM Dec 09, 2018Observed: 10.5 ft at 4:10PM Dec 09, 2018Observed: 10.47 ft at 4:20PM Dec 09, 2018Observed: 10.48 ft at 4:30PM Dec 09, 2018Observed: 10.51 ft at 4:40PM Dec 09, 2018Observed: 10.52 ft at 4:50PM Dec 09, 2018Observed: 10.47 ft at 5:00PM Dec 09, 2018Observed: 10.49 ft at 5:10PM Dec 09, 2018Observed: 10.5 ft at 5:20PM Dec 09, 2018Observed: 10.48 ft at 5:30PM Dec 09, 2018Observed: 10.47 ft at 5:40PM Dec 09, 2018Observed: 10.48 ft at 5:50PM Dec 09, 2018Observed: 10.45 ft at 6:00PM Dec 09, 2018Observed: 10.44 ft at 6:10PM Dec 09, 2018Observed: 10.46 ft at 6:20PM Dec 09, 2018Observed: 10.45 ft at 6:30PM Dec 09, 2018Observed: 10.44 ft at 6:40PM Dec 09, 2018Observed: 10.45 ft at 6:50PM Dec 09, 2018Observed: 10.46 ft at 7:00PM Dec 09, 2018Observed: 10.43 ft at 7:10PM Dec 09, 2018Observed: 10.45 ft at 7:20PM Dec 09, 2018Observed: 10.45 ft at 7:30PM Dec 09, 2018Observed: 10.42 ft at 7:40PM Dec 09, 2018Observed: 10.42 ft at 7:50PM Dec 09, 2018Observed: 10.41 ft at 8:00PM Dec 09, 2018Observed: 10.44 ft at 8:10PM Dec 09, 2018Observed: 10.44 ft at 8:20PM Dec 09, 2018Observed: 10.41 ft at 8:30PM Dec 09, 2018Observed: 10.41 ft at 8:40PM Dec 09, 2018Observed: 10.41 ft at 8:50PM Dec 09, 2018Observed: 10.4 ft at 9:00PM Dec 09, 2018Observed: 10.42 ft at 9:10PM Dec 09, 2018Observed: 10.39 ft at 9:20PM Dec 09, 2018Observed: 10.38 ft at 9:30PM Dec 09, 2018Observed: 10.4 ft at 9:40PM Dec 09, 2018Observed: 10.38 ft at 9:50PM Dec 09, 2018Observed: 10.37 ft at 10:00PM Dec 09, 2018Observed: 10.37 ft at 10:10PM Dec 09, 2018Observed: 10.36 ft at 10:20PM Dec 09, 2018Observed: 10.36 ft at 10:30PM Dec 09, 2018Observed: 10.38 ft at 10:40PM Dec 09, 2018Observed: 10.36 ft at 10:50PM Dec 09, 2018Observed: 10.35 ft at 11:00PM Dec 09, 2018Observed: 10.35 ft at 11:10PM Dec 09, 2018Observed: 10.35 ft at 11:20PM Dec 09, 2018Observed: 10.33 ft at 11:30PM Dec 09, 2018Observed: 10.33 ft at 11:40PM Dec 09, 2018Observed: 10.32 ft at 11:50PM Dec 09, 2018Observed: 10.32 ft at 12:00AM Dec 10, 2018Observed: 10.32 ft at 12:10AM Dec 10, 2018Observed: 10.32 ft at 12:20AM Dec 10, 2018Observed: 10.33 ft at 12:30AM Dec 10, 2018Observed: 10.29 ft at 12:40AM Dec 10, 2018Observed: 10.31 ft at 12:50AM Dec 10, 2018Observed: 10.3 ft at 1:00AM Dec 10, 2018Observed: 10.3 ft at 1:10AM Dec 10, 2018Observed: 10.28 ft at 1:20AM Dec 10, 2018Observed: 10.3 ft at 1:30AM Dec 10, 2018Observed: 10.29 ft at 1:40AM Dec 10, 2018Observed: 10.29 ft at 1:50AM Dec 10, 2018Observed: 10.28 ft at 2:00AM Dec 10, 2018Observed: 10.27 ft at 2:10AM Dec 10, 2018Observed: 10.28 ft at 2:20AM Dec 10, 2018Observed: 10.28 ft at 2:30AM Dec 10, 2018Observed: 10.27 ft at 2:40AM Dec 10, 2018Observed: 10.26 ft at 2:50AM Dec 10, 2018Observed: 10.26 ft at 3:00AM Dec 10, 2018Observed: 10.26 ft at 3:10AM Dec 10, 2018Observed: 10.26 ft at 3:20AM Dec 10, 2018Observed: 10.25 ft at 3:30AM Dec 10, 2018Observed: 10.22 ft at 3:40AM Dec 10, 2018Observed: 10.23 ft at 3:50AM Dec 10, 2018Observed: 10.22 ft at 4:00AM Dec 10, 2018Observed: 10.24 ft at 4:10AM Dec 10, 2018Observed: 10.21 ft at 4:20AM Dec 10, 2018Observed: 10.22 ft at 4:30AM Dec 10, 2018Observed: 10.22 ft at 4:40AM Dec 10, 2018Observed: 10.19 ft at 4:50AM Dec 10, 2018Observed: 10.21 ft at 5:00AM Dec 10, 2018Observed: 10.19 ft at 5:10AM Dec 10, 2018Observed: 10.2 ft at 5:20AM Dec 10, 2018Observed: 10.19 ft at 5:30AM Dec 10, 2018Observed: 10.17 ft at 5:40AM Dec 10, 2018Observed: 10.16 ft at 5:50AM Dec 10, 2018Observed: 10.18 ft at 6:00AM Dec 10, 2018Observed: 10.17 ft at 6:10AM Dec 10, 2018Observed: 10.16 ft at 6:20AM Dec 10, 2018Observed: 10.13 ft at 6:30AM Dec 10, 2018Observed: 10.15 ft at 6:40AM Dec 10, 2018Observed: 10.12 ft at 6:50AM Dec 10, 2018Observed: 10.14 ft at 7:00AM Dec 10, 2018Observed: 10.15 ft at 7:10AM Dec 10, 2018Observed: 10.1 ft at 7:20AM Dec 10, 2018Observed: 10.11 ft at 7:30AM Dec 10, 2018Observed: 10.11 ft at 7:40AM Dec 10, 2018Observed: 10.1 ft at 7:50AM Dec 10, 2018Observed: 10.1 ft at 8:00AM Dec 10, 2018Observed: 10.09 ft at 8:10AM Dec 10, 2018Observed: 10.09 ft at 8:20AM Dec 10, 2018Observed: 10.08 ft at 8:30AM Dec 10, 2018Observed: 10.08 ft at 8:40AM Dec 10, 2018Observed: 9.9 ft at 8:50AM Dec 10, 2018Observed: 9.77 ft at 9:00AM Dec 10, 2018Observed: 9.74 ft at 9:10AM Dec 10, 2018Observed: 9.73 ft at 9:20AM Dec 10, 2018Observed: 9.72 ft at 9:30AM Dec 10, 2018Observed: 9.72 ft at 9:40AM Dec 10, 2018Observed: 9.72 ft at 9:50AM Dec 10, 2018Observed: 9.77 ft at 10:00AM Dec 10, 2018Observed: 9.69 ft at 10:10AM Dec 10, 2018Observed: 9.68 ft at 10:20AM Dec 10, 2018Observed: 9.74 ft at 10:30AM Dec 10, 2018Observed: 9.66 ft at 10:40AM Dec 10, 2018Observed: 9.69 ft at 10:50AM Dec 10, 2018Observed: 9.66 ft at 11:00AM Dec 10, 2018Observed: 9.64 ft at 11:10AM Dec 10, 2018Observed: 9.66 ft at 11:20AM Dec 10, 2018Observed: 9.67 ft at 11:30AM Dec 10, 2018Observed: 9.62 ft at 12:10PM Dec 10, 2018Observed: 9.63 ft at 12:20PM Dec 10, 2018Observed: 9.63 ft at 12:30PM Dec 10, 2018Observed: 9.63 ft at 12:40PM Dec 10, 2018Observed: 9.62 ft at 12:50PM Dec 10, 2018Observed: 9.62 ft at 1:00PM Dec 10, 2018Observed: 9.58 ft at 1:10PM Dec 10, 2018Observed: 9.58 ft at 1:20PM Dec 10, 2018Observed: 9.57 ft at 1:30PM Dec 10, 2018Observed: 9.57 ft at 1:40PM Dec 10, 2018Observed: 9.58 ft at 1:50PM Dec 10, 2018Observed: 9.55 ft at 2:00PM Dec 10, 2018Observed: 9.57 ft at 2:10PM Dec 10, 2018Observed: 9.55 ft at 2:20PM Dec 10, 2018Observed: 9.49 ft at 2:30PM Dec 10, 2018Observed: 9.36 ft at 2:40PM Dec 10, 2018Observed: 9.29 ft at 2:50PM Dec 10, 2018Observed: 9.3 ft at 3:00PM Dec 10, 2018Observed: 9.27 ft at 3:10PM Dec 10, 2018Observed: 9.26 ft at 3:20PM Dec 10, 2018Observed: 9.25 ft at 3:30PM Dec 10, 2018Observed: 9.22 ft at 3:40PM Dec 10, 2018Observed: 9.24 ft at 3:50PM Dec 10, 2018Observed: 9.2 ft at 4:00PM Dec 10, 2018Observed: 9.23 ft at 4:10PM Dec 10, 2018Observed: 9.17 ft at 4:20PM Dec 10, 2018Observed: 9.21 ft at 4:30PM Dec 10, 2018Observed: 9.18 ft at 4:40PM Dec 10, 2018Observed: 9.21 ft at 4:50PM Dec 10, 2018Observed: 9.2 ft at 5:00PM Dec 10, 2018Observed: 9.18 ft at 5:10PM Dec 10, 2018Observed: 9.21 ft at 5:20PM Dec 10, 2018Observed: 9.17 ft at 5:30PM Dec 10, 2018Observed: 9.15 ft at 5:40PM Dec 10, 2018Observed: 9.13 ft at 5:50PM Dec 10, 2018Observed: 9.25 ft at 6:00PM Dec 10, 2018Observed: 9.12 ft at 6:10PM Dec 10, 2018Observed: 9.18 ft at 6:20PM Dec 10, 2018Observed: 9.15 ft at 6:30PM Dec 10, 2018Observed: 9.19 ft at 6:40PM Dec 10, 2018Observed: 9.35 ft at 6:50PM Dec 10, 2018Observed: 9.21 ft at 7:00PM Dec 10, 2018Observed: 9.23 ft at 7:10PM Dec 10, 2018Observed: 9.23 ft at 7:20PM Dec 10, 2018Observed: 9.21 ft at 7:30PM Dec 10, 2018Observed: 9.22 ft at 7:40PM Dec 10, 2018Observed: 9.24 ft at 7:50PM Dec 10, 2018Observed: 9.24 ft at 8:00PM Dec 10, 2018Observed: 9.23 ft at 8:10PM Dec 10, 2018Observed: 9.24 ft at 8:20PM Dec 10, 2018Observed: 9.22 ft at 8:30PM Dec 10, 2018Observed: 9.24 ft at 8:40PM Dec 10, 2018Observed: 9.23 ft at 8:50PM Dec 10, 2018Observed: 9.21 ft at 9:00PM Dec 10, 2018Observed: 9.25 ft at 9:10PM Dec 10, 2018Observed: 9.25 ft at 9:20PM Dec 10, 2018Observed: 9.25 ft at 9:30PM Dec 10, 2018Observed: 9.24 ft at 9:40PM Dec 10, 2018Observed: 9.21 ft at 9:50PM Dec 10, 2018Observed: 9.22 ft at 10:00PM Dec 10, 2018Observed: 9.22 ft at 10:10PM Dec 10, 2018Observed: 9.24 ft at 10:20PM Dec 10, 2018Observed: 9.24 ft at 10:30PM Dec 10, 2018Observed: 9.24 ft at 10:40PM Dec 10, 2018Observed: 9.25 ft at 10:50PM Dec 10, 2018Observed: 9.24 ft at 11:00PM Dec 10, 2018Observed: 9.25 ft at 11:10PM Dec 10, 2018Observed: 9.24 ft at 11:20PM Dec 10, 2018Observed: 9.26 ft at 11:30PM Dec 10, 2018Observed: 9.24 ft at 11:40PM Dec 10, 2018Observed: 9.21 ft at 11:50PM Dec 10, 2018Observed: 9.25 ft at 12:00AM Dec 11, 2018Observed: 9.24 ft at 12:10AM Dec 11, 2018Observed: 9.23 ft at 12:20AM Dec 11, 2018Observed: 9.25 ft at 12:30AM Dec 11, 2018Observed: 9.22 ft at 12:40AM Dec 11, 2018Observed: 9.22 ft at 12:50AM Dec 11, 2018Observed: 9.24 ft at 1:00AM Dec 11, 2018Observed: 9.22 ft at 1:10AM Dec 11, 2018Observed: 9.24 ft at 1:20AM Dec 11, 2018Observed: 9.24 ft at 1:30AM Dec 11, 2018Observed: 9.24 ft at 1:40AM Dec 11, 2018Observed: 9.24 ft at 1:50AM Dec 11, 2018Observed: 9.24 ft at 2:00AM Dec 11, 2018Observed: 9.19 ft at 2:10AM Dec 11, 2018Observed: 9.25 ft at 2:20AM Dec 11, 2018Observed: 9.2 ft at 2:30AM Dec 11, 2018Observed: 9.21 ft at 2:40AM Dec 11, 2018Observed: 9.21 ft at 2:50AM Dec 11, 2018Observed: 9.22 ft at 3:00AM Dec 11, 2018Observed: 9.23 ft at 3:10AM Dec 11, 2018Observed: 9.18 ft at 3:20AM Dec 11, 2018Observed: 9.21 ft at 3:30AM Dec 11, 2018Observed: 9.16 ft at 3:40AM Dec 11, 2018Observed: 9.11 ft at 3:50AM Dec 11, 2018Observed: 9.19 ft at 4:00AM Dec 11, 2018Observed: 9.18 ft at 4:10AM Dec 11, 2018Observed: 9.2 ft at 4:20AM Dec 11, 2018Observed: 9.17 ft at 4:30AM Dec 11, 2018Observed: 9.17 ft at 5:20AM Dec 11, 2018Observed: 9.17 ft at 5:30AM Dec 11, 2018Observed: 9.16 ft at 5:40AM Dec 11, 2018Observed: 9.2 ft at 5:50AM Dec 11, 2018Observed: 9.16 ft at 6:00AM Dec 11, 2018Observed: 9.16 ft at 6:10AM Dec 11, 2018Observed: 9.18 ft at 6:20AM Dec 11, 2018Observed: 9.18 ft at 6:30AM Dec 11, 2018Observed: 9.16 ft at 6:40AM Dec 11, 2018Observed: 9.18 ft at 6:50AM Dec 11, 2018Observed: 9.18 ft at 7:00AM Dec 11, 2018Observed: 9.15 ft at 7:10AM Dec 11, 2018Observed: 9.16 ft at 7:20AM Dec 11, 2018Observed: 9.15 ft at 7:30AM Dec 11, 2018Observed: 9.17 ft at 7:40AM Dec 11, 2018Observed: 9.14 ft at 7:50AM Dec 11, 2018Observed: 9.16 ft at 8:00AM Dec 11, 2018Observed: 9.15 ft at 8:10AM Dec 11, 2018Observed: 9.15 ft at 8:20AM Dec 11, 2018Observed: 9.16 ft at 8:30AM Dec 11, 2018Observed: 9.15 ft at 8:40AM Dec 11, 2018Observed: 9.15 ft at 8:50AM Dec 11, 2018Observed: 9.1 ft at 9:00AM Dec 11, 2018Observed: 9.16 ft at 9:10AM Dec 11, 2018Observed: 9.12 ft at 9:20AM Dec 11, 2018Observed: 9.13 ft at 9:30AM Dec 11, 2018Observed: 9.2 ft at 9:40AM Dec 11, 2018Observed: 9.02 ft at 9:50AM Dec 11, 2018Observed: 9.15 ft at 10:00AM Dec 11, 2018Observed: 9.17 ft at 10:10AM Dec 11, 2018Observed: 9.14 ft at 10:20AM Dec 11, 2018Observed: 9.15 ft at 10:30AM Dec 11, 2018Observed: 9.12 ft at 10:40AM Dec 11, 2018Observed: 9.15 ft at 10:50AM Dec 11, 2018Observed: 9.14 ft at 11:00AM Dec 11, 2018Observed: 9.14 ft at 11:10AM Dec 11, 2018Observed: 9.17 ft at 11:20AM Dec 11, 2018Observed: 9.14 ft at 11:30AM Dec 11, 2018Observed: 9.15 ft at 11:40AM Dec 11, 2018Observed: 9.14 ft at 11:50AM Dec 11, 2018Observed: 9.09 ft at 12:00PM Dec 11, 2018Observed: 9.15 ft at 12:10PM Dec 11, 2018Observed: 9.07 ft at 12:20PM Dec 11, 2018Observed: 9.14 ft at 12:30PM Dec 11, 2018Observed: 9.17 ft at 12:40PM Dec 11, 2018Observed: 9.13 ft at 12:50PM Dec 11, 2018Observed: 9.14 ft at 1:00PM Dec 11, 2018Observed: 9.11 ft at 1:10PM Dec 11, 2018Observed: 9.13 ft at 1:20PM Dec 11, 2018Observed: 9.13 ft at 1:30PM Dec 11, 2018Observed: 9.12 ft at 1:40PM Dec 11, 2018Observed: 9.15 ft at 1:50PM Dec 11, 2018Observed: 9.15 ft at 2:00PM Dec 11, 2018Observed: 9.12 ft at 2:10PM Dec 11, 2018Observed: 9.11 ft at 2:20PM Dec 11, 2018Observed: 9.12 ft at 2:30PM Dec 11, 2018Observed: 9.11 ft at 2:40PM Dec 11, 2018Observed: 9.11 ft at 2:50PM Dec 11, 2018Observed: 9.11 ft at 3:00PM Dec 11, 2018Observed: 9.13 ft at 3:10PM Dec 11, 2018Observed: 9.13 ft at 3:20PM Dec 11, 2018Observed: 9.11 ft at 3:30PM Dec 11, 2018Observed: 9.1 ft at 3:40PM Dec 11, 2018Observed: 9.08 ft at 3:50PM Dec 11, 2018Observed: 9.12 ft at 4:00PM Dec 11, 2018Observed: 9.13 ft at 4:10PM Dec 11, 2018Observed: 9.1 ft at 4:20PM Dec 11, 2018Observed: 9.13 ft at 4:30PM Dec 11, 2018Observed: 9.09 ft at 4:40PM Dec 11, 2018Observed: 9.07 ft at 4:50PM Dec 11, 2018Observed: 9.15 ft at 5:00PM Dec 11, 2018Observed: 9.13 ft at 5:10PM Dec 11, 2018Observed: 9.12 ft at 5:20PM Dec 11, 2018Observed: 9.13 ft at 5:30PM Dec 11, 2018Observed: 9.09 ft at 5:40PM Dec 11, 2018Observed: 9.12 ft at 5:50PM Dec 11, 2018Observed: 9.13 ft at 6:00PM Dec 11, 2018Observed: 9.08 ft at 6:10PM Dec 11, 2018Observed: 9.12 ft at 6:20PM Dec 11, 2018Observed: 9.11 ft at 6:30PM Dec 11, 2018Observed: 9.14 ft at 6:40PM Dec 11, 2018Observed: 9.15 ft at 6:50PM Dec 11, 2018Observed: 9.13 ft at 7:00PM Dec 11, 2018Observed: 9.15 ft at 7:10PM Dec 11, 2018Observed: 9.09 ft at 7:20PM Dec 11, 2018Observed: 9.14 ft at 7:30PM Dec 11, 2018Observed: 9.1 ft at 7:40PM Dec 11, 2018Observed: 9.08 ft at 7:50PM Dec 11, 2018Observed: 9.08 ft at 8:00PM Dec 11, 2018Observed: 9.11 ft at 8:10PM Dec 11, 2018Observed: 9.15 ft at 8:20PM Dec 11, 2018Observed: 9.1 ft at 8:30PM Dec 11, 2018Observed: 9.14 ft at 8:40PM Dec 11, 2018Observed: 9.13 ft at 8:50PM Dec 11, 2018Observed: 9.13 ft at 9:00PM Dec 11, 2018Observed: 9.15 ft at 9:10PM Dec 11, 2018Observed: 9.14 ft at 9:20PM Dec 11, 2018Observed: 9.11 ft at 9:30PM Dec 11, 2018Observed: 9.13 ft at 9:40PM Dec 11, 2018Observed: 9.11 ft at 9:50PM Dec 11, 2018Observed: 9.12 ft at 10:00PM Dec 11, 2018Observed: 9.11 ft at 10:10PM Dec 11, 2018Observed: 9.15 ft at 10:20PM Dec 11, 2018Observed: 9.14 ft at 10:30PM Dec 11, 2018Observed: 9.14 ft at 10:40PM Dec 11, 2018Observed: 9.17 ft at 10:50PM Dec 11, 2018Observed: 9.15 ft at 11:00PM Dec 11, 2018Observed: 9.14 ft at 11:10PM Dec 11, 2018Observed: 9.13 ft at 11:20PM Dec 11, 2018Observed: 9.16 ft at 11:30PM Dec 11, 2018Observed: 9.13 ft at 11:40PM Dec 11, 2018Observed: 9.13 ft at 11:50PM Dec 11, 2018Observed: 9.18 ft at 12:00AM Dec 12, 2018Observed: 9.15 ft at 12:10AM Dec 12, 2018Observed: 9.15 ft at 12:20AM Dec 12, 2018Observed: 9.12 ft at 12:30AM Dec 12, 2018Observed: 9.16 ft at 12:40AM Dec 12, 2018Observed: 9.19 ft at 12:50AM Dec 12, 2018Observed: 9.16 ft at 1:00AM Dec 12, 2018Observed: 9.17 ft at 1:10AM Dec 12, 2018Observed: 9.17 ft at 1:20AM Dec 12, 2018Observed: 9.17 ft at 1:30AM Dec 12, 2018Observed: 9.14 ft at 1:40AM Dec 12, 2018Observed: 9.16 ft at 1:50AM Dec 12, 2018Observed: 9.14 ft at 2:00AM Dec 12, 2018Observed: 9.16 ft at 2:10AM Dec 12, 2018Observed: 9.16 ft at 2:20AM Dec 12, 2018Observed: 9.13 ft at 2:30AM Dec 12, 2018Observed: 9.13 ft at 2:40AM Dec 12, 2018Observed: 9.14 ft at 2:50AM Dec 12, 2018Observed: 9.15 ft at 3:00AM Dec 12, 2018Observed: 9.16 ft at 3:10AM Dec 12, 2018Observed: 9.16 ft at 3:20AM Dec 12, 2018Observed: 9.15 ft at 3:30AM Dec 12, 2018Observed: 9.16 ft at 3:40AM Dec 12, 2018Observed: 9.17 ft at 3:50AM Dec 12, 2018Observed: 9.17 ft at 4:00AM Dec 12, 2018Observed: 9.16 ft at 4:10AM Dec 12, 2018Observed: 9.16 ft at 4:20AM Dec 12, 2018Observed: 9.14 ft at 4:30AM Dec 12, 2018Observed: 9.15 ft at 4:40AM Dec 12, 2018Observed: 9.17 ft at 4:50AM Dec 12, 2018Observed: 9.18 ft at 5:00AM Dec 12, 2018Observed: 9.16 ft at 5:10AM Dec 12, 2018Observed: 9.14 ft at 5:20AM Dec 12, 2018Observed: 9.13 ft at 5:30AM Dec 12, 2018Observed: 9.18 ft at 5:40AM Dec 12, 2018Observed: 9.13 ft at 5:50AM Dec 12, 2018Observed: 9.16 ft at 6:00AM Dec 12, 2018Observed: 9.16 ft at 6:10AM Dec 12, 2018Observed: 9.17 ft at 6:20AM Dec 12, 2018Observed: 9.36 ft at 6:30AM Dec 12, 2018Observed: 9.16 ft at 6:40AM Dec 12, 2018Observed: 9.15 ft at 6:50AM Dec 12, 2018Observed: 9.15 ft at 7:00AM Dec 12, 2018Observed: 9.18 ft at 7:10AM Dec 12, 2018Observed: 9.13 ft at 7:20AM Dec 12, 2018Observed: 9.17 ft at 7:30AM Dec 12, 2018Observed: 9.19 ft at 7:40AM Dec 12, 2018Observed: 9.17 ft at 7:50AM Dec 12, 2018Observed: 9.14 ft at 8:00AM Dec 12, 2018Observed: 9.13 ft at 8:10AM Dec 12, 2018Observed: 9.13 ft at 8:20AM Dec 12, 2018Observed: 9.16 ft at 8:30AM Dec 12, 2018Observed: 9.17 ft at 8:40AM Dec 12, 2018Observed: 9.14 ft at 8:50AM Dec 12, 2018Observed: 9.17 ft at 9:00AM Dec 12, 2018Observed: 9.13 ft at 9:10AM Dec 12, 2018Observed: 9.14 ft at 9:20AM Dec 12, 2018Observed: 9.13 ft at 9:30AM Dec 12, 2018Observed: 9.17 ft at 9:40AM Dec 12, 2018Observed: 9.16 ft at 9:50AM Dec 12, 2018Observed: 9.15 ft at 10:00AM Dec 12, 2018Observed: 9.16 ft at 10:10AM Dec 12, 2018Observed: 9.17 ft at 10:20AM Dec 12, 2018Observed: 9.16 ft at 10:30AM Dec 12, 2018Observed: 9.13 ft at 10:40AM Dec 12, 2018Observed: 9.1 ft at 10:50AM Dec 12, 2018Observed: 9.12 ft at 11:00AM Dec 12, 2018Observed: 9.12 ft at 11:10AM Dec 12, 2018Observed: 9.11 ft at 11:20AM Dec 12, 2018Observed: 8.93 ft at 11:30AM Dec 12, 2018Observed: 8.87 ft at 11:40AM Dec 12, 2018Observed: 8.9 ft at 11:50AM Dec 12, 2018Observed: 8.89 ft at 12:00PM Dec 12, 2018Observed: 8.88 ft at 12:10PM Dec 12, 2018Observed: 8.85 ft at 12:20PM Dec 12, 2018Observed: 8.86 ft at 12:30PM Dec 12, 2018Observed: 8.84 ft at 12:40PM Dec 12, 2018Observed: 8.82 ft at 12:50PM Dec 12, 2018Observed: 8.82 ft at 1:00PM Dec 12, 2018Observed: 8.78 ft at 1:10PM Dec 12, 2018Observed: 8.76 ft at 1:20PM Dec 12, 2018Observed: 8.76 ft at 1:30PM Dec 12, 2018Observed: 8.77 ft at 1:40PM Dec 12, 2018Observed: 8.74 ft at 1:50PM Dec 12, 2018Observed: 8.77 ft at 2:00PM Dec 12, 2018Observed: 8.72 ft at 2:10PM Dec 12, 2018Observed: 8.74 ft at 2:20PM Dec 12, 2018Observed: 8.75 ft at 2:30PM Dec 12, 2018Observed: 8.71 ft at 2:40PM Dec 12, 2018Observed: 8.78 ft at 2:50PM Dec 12, 2018Observed: 8.75 ft at 3:00PM Dec 12, 2018Observed: 8.72 ft at 3:10PM Dec 12, 2018Observed: 8.75 ft at 3:20PM Dec 12, 2018Observed: 8.73 ft at 3:30PM Dec 12, 2018Observed: 8.74 ft at 3:40PM Dec 12, 2018Observed: 8.71 ft at 3:50PM Dec 12, 2018Observed: 8.71 ft at 4:00PM Dec 12, 2018Observed: 8.73 ft at 4:10PM Dec 12, 2018Observed: 8.72 ft at 4:20PM Dec 12, 2018Observed: 8.73 ft at 4:30PM Dec 12, 2018Observed: 8.67 ft at 4:40PM Dec 12, 2018Observed: 8.71 ft at 4:50PM Dec 12, 2018Observed: 8.7 ft at 5:00PM Dec 12, 2018Observed: 8.7 ft at 5:10PM Dec 12, 2018Observed: 8.65 ft at 5:20PM Dec 12, 2018Observed: 8.67 ft at 5:30PM Dec 12, 2018Observed: 8.64 ft at 5:40PM Dec 12, 2018Observed: 8.71 ft at 5:50PM Dec 12, 2018Observed: 8.69 ft at 6:00PM Dec 12, 2018Observed: 8.68 ft at 6:10PM Dec 12, 2018Observed: 8.64 ft at 6:20PM Dec 12, 2018Observed: 8.64 ft at 6:30PM Dec 12, 2018Observed: 8.7 ft at 6:40PM Dec 12, 2018Observed: 8.68 ft at 6:50PM Dec 12, 2018Observed: 8.69 ft at 7:00PM Dec 12, 2018Observed: 8.67 ft at 7:10PM Dec 12, 2018Observed: 8.66 ft at 7:20PM Dec 12, 2018Observed: 8.66 ft at 7:30PM Dec 12, 2018Observed: 8.68 ft at 7:40PM Dec 12, 2018Observed: 8.67 ft at 7:50PM Dec 12, 2018Observed: 8.68 ft at 8:00PM Dec 12, 2018Observed: 8.65 ft at 8:10PM Dec 12, 2018Observed: 8.65 ft at 8:20PM Dec 12, 2018Observed: 8.62 ft at 8:30PM Dec 12, 2018Observed: 8.63 ft at 8:40PM Dec 12, 2018Observed: 8.62 ft at 8:50PM Dec 12, 2018Observed: 8.66 ft at 9:00PM Dec 12, 2018Observed: 8.65 ft at 9:10PM Dec 12, 2018Observed: 8.61 ft at 9:20PM Dec 12, 2018Observed: 8.61 ft at 9:30PM Dec 12, 2018Observed: 8.61 ft at 9:40PM Dec 12, 2018Observed: 8.58 ft at 9:50PM Dec 12, 2018Observed: 8.6 ft at 10:00PM Dec 12, 2018Observed: 8.62 ft at 10:10PM Dec 12, 2018Observed: 8.6 ft at 10:20PM Dec 12, 2018Observed: 8.6 ft at 10:30PM Dec 12, 2018Observed: 8.59 ft at 10:40PM Dec 12, 2018Observed: 8.58 ft at 10:50PM Dec 12, 2018Observed: 8.54 ft at 11:00PM Dec 12, 2018Observed: 8.56 ft at 11:10PM Dec 12, 2018Observed: 8.56 ft at 11:20PM Dec 12, 2018Observed: 8.59 ft at 11:30PM Dec 12, 2018Observed: 8.58 ft at 11:40PM Dec 12, 2018Observed: 8.56 ft at 11:50PM Dec 12, 2018Observed: 8.54 ft at 12:00AM Dec 13, 2018Observed: 8.51 ft at 12:10AM Dec 13, 2018Observed: 8.55 ft at 12:20AM Dec 13, 2018Observed: 8.52 ft at 12:30AM Dec 13, 2018Observed: 8.51 ft at 12:40AM Dec 13, 2018Observed: 8.59 ft at 12:50AM Dec 13, 2018Observed: 8.57 ft at 1:00AM Dec 13, 2018Observed: 8.58 ft at 1:10AM Dec 13, 2018Observed: 8.55 ft at 1:20AM Dec 13, 2018Observed: 8.54 ft at 1:30AM Dec 13, 2018Observed: 8.51 ft at 1:40AM Dec 13, 2018Observed: 8.51 ft at 1:50AM Dec 13, 2018Observed: 8.5 ft at 2:00AM Dec 13, 2018Observed: 8.46 ft at 2:10AM Dec 13, 2018Observed: 8.48 ft at 2:20AM Dec 13, 2018Observed: 8.51 ft at 2:30AM Dec 13, 2018Observed: 8.51 ft at 2:40AM Dec 13, 2018Observed: 8.51 ft at 2:50AM Dec 13, 2018Observed: 8.5 ft at 3:00AM Dec 13, 2018Observed: 8.45 ft at 3:10AM Dec 13, 2018Observed: 8.48 ft at 3:20AM Dec 13, 2018Observed: 8.45 ft at 3:30AM Dec 13, 2018Observed: 8.49 ft at 3:40AM Dec 13, 2018Observed: 8.49 ft at 3:50AM Dec 13, 2018Observed: 8.49 ft at 4:00AM Dec 13, 2018Observed: 8.49 ft at 4:10AM Dec 13, 2018Observed: 8.46 ft at 4:20AM Dec 13, 2018Observed: 8.39 ft at 4:30AM Dec 13, 2018Observed: 8.44 ft at 4:40AM Dec 13, 2018Observed: 8.42 ft at 4:50AM Dec 13, 2018Observed: 8.45 ft at 5:00AM Dec 13, 2018Observed: 8.43 ft at 5:10AM Dec 13, 2018Observed: 8.43 ft at 5:20AM Dec 13, 2018Observed: 8.42 ft at 5:30AM Dec 13, 2018Observed: 8.41 ft at 5:40AM Dec 13, 2018Observed: 8.42 ft at 5:50AM Dec 13, 2018Observed: 8.43 ft at 6:00AM Dec 13, 2018Observed: 8.4 ft at 6:10AM Dec 13, 2018Observed: 8.43 ft at 6:20AM Dec 13, 2018Observed: 8.38 ft at 6:30AM Dec 13, 2018Observed: 8.39 ft at 6:40AM Dec 13, 2018Observed: 8.36 ft at 6:50AM Dec 13, 2018Observed: 8.39 ft at 7:00AM Dec 13, 2018Observed: 8.38 ft at 7:10AM Dec 13, 2018Observed: 8.38 ft at 7:20AM Dec 13, 2018Observed: 8.38 ft at 7:30AM Dec 13, 2018Observed: 8.37 ft at 7:40AM Dec 13, 2018Observed: 8.4 ft at 7:50AM Dec 13, 2018Observed: 8.37 ft at 8:00AM Dec 13, 2018Observed: 8.39 ft at 8:10AM Dec 13, 2018Observed: 8.38 ft at 8:20AM Dec 13, 2018Observed: 8.39 ft at 8:30AM Dec 13, 2018Observed: 8.38 ft at 8:40AM Dec 13, 2018Observed: 8.36 ft at 8:50AM Dec 13, 2018Observed: 8.34 ft at 9:00AM Dec 13, 2018Observed: 8.35 ft at 9:10AM Dec 13, 2018Observed: 8.38 ft at 9:20AM Dec 13, 2018Observed: 8.35 ft at 9:30AM Dec 13, 2018Observed: 8.34 ft at 9:40AM Dec 13, 2018Observed: 8.33 ft at 9:50AM Dec 13, 2018Observed: 8.36 ft at 10:00AM Dec 13, 2018Observed: 8.38 ft at 10:10AM Dec 13, 2018Observed: 8.33 ft at 10:20AM Dec 13, 2018Observed: 8.36 ft at 10:30AM Dec 13, 2018Observed: 8.32 ft at 10:40AM Dec 13, 2018Observed: 8.29 ft at 10:50AM Dec 13, 2018Observed: 8.31 ft at 11:00AM Dec 13, 2018Observed: 8.33 ft at 11:10AM Dec 13, 2018Observed: 8.32 ft at 11:20AM Dec 13, 2018Observed: 8.27 ft at 11:30AM Dec 13, 2018Observed: 8.31 ft at 11:40AM Dec 13, 2018Observed: 8.32 ft at 11:50AM Dec 13, 2018Observed: 8.27 ft at 12:00PM Dec 13, 2018Observed: 8.28 ft at 12:10PM Dec 13, 2018Observed: 8.29 ft at 12:20PM Dec 13, 2018Observed: 8.27 ft at 12:30PM Dec 13, 2018Observed: 8.33 ft at 12:40PM Dec 13, 2018Observed: 8.32 ft at 12:50PM Dec 13, 2018Observed: 8.29 ft at 1:00PM Dec 13, 2018Observed: 8.28 ft at 1:10PM Dec 13, 2018Observed: 8.26 ft at 1:20PM Dec 13, 2018Observed: 8.27 ft at 1:30PM Dec 13, 2018Observed: 8.26 ft at 1:40PM Dec 13, 2018Observed: 8.32 ft at 1:50PM Dec 13, 2018Observed: 8.32 ft at 2:00PM Dec 13, 2018Observed: 8.31 ft at 2:10PM Dec 13, 2018Observed: 8.3 ft at 2:20PM Dec 13, 2018Observed: 8.3 ft at 2:30PM Dec 13, 2018Observed: 8.28 ft at 2:40PM Dec 13, 2018Observed: 8.28 ft at 2:50PM Dec 13, 2018Observed: 8.26 ft at 3:00PM Dec 13, 2018Observed: 8.27 ft at 3:10PM Dec 13, 2018Observed: 8.32 ft at 3:20PM Dec 13, 2018Observed: 8.3 ft at 3:30PM Dec 13, 2018Observed: 8.32 ft at 3:40PM Dec 13, 2018Observed: 8.29 ft at 3:50PM Dec 13, 2018Observed: 8.29 ft at 4:00PM Dec 13, 2018Observed: 8.29 ft at 4:10PM Dec 13, 2018Observed: 8.25 ft at 4:20PM Dec 13, 2018Observed: 8.26 ft at 4:30PM Dec 13, 2018Observed: 8.29 ft at 4:40PM Dec 13, 2018Observed: 8.3 ft at 4:50PM Dec 13, 2018Observed: 8.31 ft at 5:00PM Dec 13, 2018Observed: 8.29 ft at 5:10PM Dec 13, 2018Observed: 8.28 ft at 5:20PM Dec 13, 2018Observed: 8.24 ft at 5:30PM Dec 13, 2018Observed: 8.29 ft at 5:40PM Dec 13, 2018Observed: 8.3 ft at 5:50PM Dec 13, 2018Observed: 8.28 ft at 6:00PM Dec 13, 2018Observed: 8.29 ft at 6:10PM Dec 13, 2018Observed: 8.27 ft at 6:20PM Dec 13, 2018Observed: 8.26 ft at 6:30PM Dec 13, 2018Observed: 8.26 ft at 6:40PM Dec 13, 2018Observed: 8.27 ft at 6:50PM Dec 13, 2018Observed: 8.27 ft at 7:00PM Dec 13, 2018Observed: 8.26 ft at 7:10PM Dec 13, 2018Observed: 8.27 ft at 7:20PM Dec 13, 2018Observed: 8.29 ft at 7:30PM Dec 13, 2018Observed: 8.27 ft at 7:40PM Dec 13, 2018Observed: 8.26 ft at 7:50PM Dec 13, 2018Observed: 8.26 ft at 8:00PM Dec 13, 2018Observed: 8.27 ft at 8:10PM Dec 13, 2018Observed: 8.28 ft at 8:20PM Dec 13, 2018Observed: 8.3 ft at 8:30PM Dec 13, 2018Observed: 8.25 ft at 8:40PM Dec 13, 2018Observed: 8.27 ft at 8:50PM Dec 13, 2018Observed: 8.29 ft at 9:00PM Dec 13, 2018Observed: 8.29 ft at 9:10PM Dec 13, 2018Observed: 8.23 ft at 9:20PM Dec 13, 2018Observed: 8.24 ft at 9:30PM Dec 13, 2018Observed: 8.23 ft at 9:40PM Dec 13, 2018Observed: 8.25 ft at 9:50PM Dec 13, 2018Observed: 8.27 ft at 10:00PM Dec 13, 2018Observed: 8.27 ft at 10:10PM Dec 13, 2018Observed: 8.28 ft at 10:20PM Dec 13, 2018Observed: 8.28 ft at 10:30PM Dec 13, 2018Highest Forecast: 8.1 ft 12:00AM Dec 14, 2018Forecast: 8 ft 6:00AM Dec 14, 2018Forecast: 7.9 ft 12:00PM Dec 14, 2018Forecast: 7.9 ft 6:00PM Dec 14, 2018Forecast: 7.8 ft 12:00AM Dec 15, 2018Forecast: 7.8 ft 6:00AM Dec 15, 2018Forecast: 7.8 ft 12:00PM Dec 15, 2018Forecast: 7.8 ft 6:00PM Dec 15, 2018Forecast: 7.8 ft 12:00AM Dec 16, 2018Forecast: 7.7 ft 6:00AM Dec 16, 2018Forecast: 7.7 ft 12:00PM Dec 16, 2018Forecast: 7.7 ft 6:00PM Dec 16, 2018Forecast: 7.7 ft 12:00AM Dec 17, 2018Forecast: 7.7 ft 6:00AM Dec 17, 2018Forecast: 7.7 ft 12:00PM Dec 17, 2018Forecast: 7.7 ft 6:00PM Dec 17, 2018Forecast: 7.7 ft 12:00AM Dec 18, 2018Forecast: 7.7 ft 6:00AM Dec 18, 2018Forecast: 7.7 ft 12:00PM Dec 18, 2018Forecast: 7.7 ft 6:00PM Dec 18, 2018Forecast: 7.7 ft 12:00AM Dec 19, 2018Forecast: 7.7 ft 6:00AM Dec 19, 2018Forecast: 7.7 ft 12:00PM Dec 19, 2018Forecast: 7.6 ft 6:00PM Dec 19, 2018Forecast: 7.6 ft 12:00AM Dec 20, 2018Forecast: 7.5 ft 6:00AM Dec 20, 2018Forecast: 7.5 ft 12:00PM Dec 20, 2018Forecast: 7.4 ft 6:00PM Dec 20, 2018Forecast: 7.3 ft 12:00AM Dec 21, 2018Forecast: 7.3 ft 6:00AM Dec 21, 2018Forecast: 7.2 ft 12:00PM Dec 21, 2018Forecast: 7.1 ft 6:00PM Dec 21, 2018Forecast: 7 ft 12:00AM Dec 22, 2018Forecast: 7 ft 6:00AM Dec 22, 2018Forecast: 6.9 ft 12:00PM Dec 22, 2018Forecast: 6.8 ft 6:00PM Dec 22, 2018Forecast: 6.8 ft 12:00AM Dec 23, 2018Forecast: 6.7 ft 6:00AM Dec 23, 2018Forecast: 6.7 ft 12:00PM Dec 23, 2018Forecast: 6.6 ft 6:00PM Dec 23, 2018Forecast: 6.6 ft 12:00AM Dec 24, 2018Forecast: 6.6 ft 6:00AM Dec 24, 2018Forecast: 6.5 ft 12:00PM Dec 24, 2018Forecast: 6.5 ft 6:00PM Dec 24, 2018Forecast: 6.4 ft 12:00AM Dec 25, 2018Forecast: 6.4 ft 6:00AM Dec 25, 2018Forecast: 6.4 ft 12:00PM Dec 25, 2018Forecast: 6.3 ft 6:00PM Dec 25, 2018Forecast: 6.3 ft 12:00AM Dec 26, 2018Forecast: 6.2 ft 6:00AM Dec 26, 2018Forecast: 6.2 ft 12:00PM Dec 26, 2018Forecast: 6.1 ft 6:00PM Dec 26, 2018Forecast: 6.1 ft 12:00AM Dec 27, 2018Forecast: 6.1 ft 6:00AM Dec 27, 2018QLDI2(plotting HTIRG) Graph Created (11:25PM Dec 13, 2018)ObservedForecast (issued 10:50AM Dec 13)Latest observed value: 8.28 ft at 10:30 PM CST 13-Dec-2018. Flood Stage is 17 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: For the latest navigation status update from the U.S. Army Corps of Engineers-St. Louis District, click here.

NOTE: Forecasts for the Mississippi River at Quincy Lock and Dam 21 are issued routinely year-round.

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Upstream Gauge - at Quincy Upstream Gauge Downstream Gauge Downstream Gauge - at Hannibal
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 21
Flood Stage: 17
Action Stage: 15
Low Stage (in feet): -9999

Historic Crests
(1) 31.30 ft on 07/13/1993
(2) 29.58 ft on 06/18/2008
(3) 27.70 ft on 04/25/1973
(4) 27.24 ft on 04/21/2013
(5) 26.55 ft on 05/16/2001
(6) 26.15 ft on 07/08/2014
(7) 24.86 ft on 10/04/1986
(8) 24.74 ft on 06/01/2013
(9) 24.05 ft on 05/29/1996
(10) 23.96 ft on 10/12/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.96 ft on 10/12/2018
(2) 19.62 ft on 09/09/2018
(3) 18.47 ft on 07/05/2018
(4) 18.90 ft on 05/16/2018
(5) 18.52 ft on 06/03/2017
(6) 19.33 ft on 05/02/2017
(7) 17.23 ft on 04/07/2017
(8) 18.86 ft on 10/07/2016
(9) 21.08 ft on 12/29/2015
(10) 26.15 ft on 07/08/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -3.40 ft on 12/14/1936
(2) -3.00 ft on 12/26/1933
(3) -2.30 ft on 12/10/1910
(4) -2.20 ft on 01/17/1938
(5) -1.60 ft on 12/23/1914
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
140000 At this approximate discharge, the Corps will raise the gates out of the water, creating "open river" conditions.
26.9 Missouri Highway 168 east of Palmyra near the BASF plant closes near this height.
25.7 At this height, the lock wall is inundated.
25 Quincy Waterworks inundated.
21.9 Near this level, the lock is closed to navigation. This level will vary with circumstance.
17 Flood Stage: Minor flooding begins.
14 Unprotected bottomlands flood.
12.3 This is the upper limit of the target pool level at Lock and Dam 21.
12.2 This is the target pool level for navigation at Lock & Dam 21.
12 At some point between 11.6 to 12.1 feet, the Corps will lift all gates out of the river creating "open river" conditions, corresponding to an approximate discharge of 140,000 cfs.
11.8 This is the lower limit of the target pool level at Lock & Dam 21.
Photos
(1) Quincy Lock and Dam 21 pool on 19 June 2008 with a pool reading of 27.48 ft.
(2) Quincy Lock and Dam 21 lock house on 19 June 2008 at a tailwater of 26.59 ft.
(3) Quincy Lock and Dam pool gages on 19 June 2008 (HP=27.48, HT=26.59)
(4) Quincy Lock debris in pool on 19 June 2008 (HP=27.48, HT=26.59)
(5) Quincy Lock and Dam 21 pool on 19 June 2008 (HT=26.59 ft., HP=27.48 ft.)
(6) Cropland flooding west of Illinois Highway 57 on June 25, 2010 at a stage of 21.06 ft.
(7) Aerial View
(8) Upstream View looking north toward Quincy
(9) Pool View looking west toward Missouri
(10) Downstream View
(11) Tailwater Overview looking northwest
(12) Tailwater View looking west toward Missouri
About This Location Collapse

Latitude: 39.903889° N, Longitude: 91.429167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 17 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 457.8 ft 474.8 ft Datum of 1912
Additional Information Collapse
How low could the river get?
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
St. Louis Weather Forecast Office
12 Missouri Research Park Drive
St. Charles, MO 63304
(636) 441-8467
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Page last modified: 21-Dec-2016 10:37 PM
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