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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

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Hydrograph River at a Glance Download
Spring Creek (North Central IA) near Mason City US 65 Stage (ft)Flow (cfs)Observed: 81.03 ft at 10:15AM Sep 28, 2023Observed: 81.03 ft at 10:30AM Sep 28, 2023Observed: 81.03 ft at 10:45AM Sep 28, 2023Observed: 81.03 ft at 11:00AM Sep 28, 2023Observed: 81.03 ft at 11:15AM Sep 28, 2023Observed: 81.03 ft at 11:30AM Sep 28, 2023Observed: 81.03 ft at 11:45AM Sep 28, 2023Observed: 81.03 ft at 12:00PM Sep 28, 2023Observed: 81.03 ft at 12:15PM Sep 28, 2023Observed: 81.03 ft at 12:30PM Sep 28, 2023Observed: 81.03 ft at 12:45PM Sep 28, 2023Observed: 81.03 ft at 1:00PM Sep 28, 2023Observed: 81.03 ft at 1:15PM Sep 28, 2023Observed: 81.03 ft at 1:30PM Sep 28, 2023Observed: 81.03 ft at 1:45PM Sep 28, 2023Observed: 81.02 ft at 2:00PM Sep 28, 2023Observed: 81.03 ft at 2:15PM Sep 28, 2023Observed: 81.03 ft at 2:30PM Sep 28, 2023Observed: 81.03 ft at 2:45PM Sep 28, 2023Observed: 81.03 ft at 3:00PM Sep 28, 2023Observed: 81.03 ft at 3:15PM Sep 28, 2023Observed: 81.03 ft at 3:30PM Sep 28, 2023Observed: 81.04 ft at 3:45PM Sep 28, 2023Observed: 81.03 ft at 4:00PM Sep 28, 2023Observed: 81.04 ft at 4:15PM Sep 28, 2023Observed: 81.04 ft at 4:30PM Sep 28, 2023Observed: 81.03 ft at 4:45PM Sep 28, 2023Observed: 81.03 ft at 5:00PM Sep 28, 2023Observed: 81.03 ft at 5:15PM Sep 28, 2023Observed: 81.04 ft at 5:30PM Sep 28, 2023Observed: 81.04 ft at 5:45PM Sep 28, 2023Observed: 81.03 ft at 6:00PM Sep 28, 2023Observed: 81.04 ft at 6:15PM Sep 28, 2023Observed: 81.04 ft at 6:30PM Sep 28, 2023Observed: 81.04 ft at 6:45PM Sep 28, 2023Observed: 81.04 ft at 7:00PM Sep 28, 2023Observed: 81.04 ft at 7:15PM Sep 28, 2023Observed: 81.04 ft at 7:30PM Sep 28, 2023Observed: 81.04 ft at 7:45PM Sep 28, 2023Observed: 81.04 ft at 8:00PM Sep 28, 2023Observed: 81.04 ft at 8:15PM Sep 28, 2023Observed: 81.04 ft at 8:30PM Sep 28, 2023Observed: 81.04 ft at 8:45PM Sep 28, 2023Observed: 81.04 ft at 9:00PM Sep 28, 2023Observed: 81.04 ft at 9:15PM Sep 28, 2023Observed: 81.04 ft at 9:30PM Sep 28, 2023Observed: 81.04 ft at 9:45PM Sep 28, 2023Observed: 81.04 ft at 10:00PM Sep 28, 2023Observed: 81.04 ft at 10:15PM Sep 28, 2023Observed: 81.04 ft at 10:30PM Sep 28, 2023Highest Observation: 81.05 ft at 10:45PM Sep 28, 2023Observed: 81.04 ft at 11:00PM Sep 28, 2023Observed: 81.04 ft at 11:15PM Sep 28, 2023Observed: 81.04 ft at 11:30PM Sep 28, 2023Observed: 81.04 ft at 11:45PM Sep 28, 2023Observed: 81.04 ft at 12:00AM Sep 29, 2023Observed: 81.04 ft at 12:15AM Sep 29, 2023Observed: 81.04 ft at 12:30AM Sep 29, 2023Observed: 81.04 ft at 12:45AM Sep 29, 2023Observed: 81.04 ft at 1:00AM Sep 29, 2023Observed: 81.04 ft at 1:15AM Sep 29, 2023Observed: 81.04 ft at 1:30AM Sep 29, 2023Observed: 81.04 ft at 1:45AM Sep 29, 2023Observed: 81.04 ft at 2:00AM Sep 29, 2023Observed: 81.04 ft at 2:15AM Sep 29, 2023Observed: 81.04 ft at 2:30AM Sep 29, 2023Observed: 81.04 ft at 2:45AM Sep 29, 2023Observed: 81.04 ft at 3:00AM Sep 29, 2023Observed: 81.03 ft at 3:15AM Sep 29, 2023Observed: 81.03 ft at 3:30AM Sep 29, 2023Observed: 81.03 ft at 3:45AM Sep 29, 2023Observed: 81.03 ft at 4:00AM Sep 29, 2023Observed: 81.03 ft at 4:15AM Sep 29, 2023Observed: 81.03 ft at 4:30AM Sep 29, 2023Observed: 81.03 ft at 4:45AM Sep 29, 2023Observed: 81.03 ft at 5:00AM Sep 29, 2023Observed: 81.03 ft at 5:15AM Sep 29, 2023Observed: 81.03 ft at 5:30AM Sep 29, 2023Observed: 81.03 ft at 5:45AM Sep 29, 2023Observed: 81.03 ft at 6:00AM Sep 29, 2023Observed: 81.04 ft at 6:15AM Sep 29, 2023Observed: 81.03 ft at 6:30AM Sep 29, 2023Observed: 81.03 ft at 6:45AM Sep 29, 2023Observed: 81.03 ft at 7:00AM Sep 29, 2023Observed: 81.03 ft at 7:15AM Sep 29, 2023Observed: 81.02 ft at 7:30AM Sep 29, 2023Observed: 81.02 ft at 7:45AM Sep 29, 2023Observed: 81.03 ft at 8:00AM Sep 29, 2023Observed: 81.02 ft at 8:15AM Sep 29, 2023Observed: 81.02 ft at 8:30AM Sep 29, 2023Observed: 81.02 ft at 8:45AM Sep 29, 2023Observed: 81.02 ft at 9:00AM Sep 29, 2023Observed: 81.02 ft at 9:15AM Sep 29, 2023Observed: 81.02 ft at 9:30AM Sep 29, 2023Observed: 81.02 ft at 9:45AM Sep 29, 2023Observed: 81.01 ft at 10:00AM Sep 29, 2023Observed: 81.01 ft at 10:15AM Sep 29, 2023Observed: 81.01 ft at 10:30AM Sep 29, 2023Observed: 81.01 ft at 10:45AM Sep 29, 2023Observed: 81.01 ft at 11:00AM Sep 29, 2023Observed: 81.01 ft at 11:15AM Sep 29, 2023Observed: 81 ft at 11:30AM Sep 29, 2023Observed: 81 ft at 11:45AM Sep 29, 2023Observed: 81 ft at 12:00PM Sep 29, 2023Observed: 81 ft at 12:15PM Sep 29, 2023Observed: 81 ft at 12:30PM Sep 29, 2023Observed: 80.99 ft at 12:45PM Sep 29, 2023Observed: 80.99 ft at 1:00PM Sep 29, 2023Observed: 80.99 ft at 1:15PM Sep 29, 2023Observed: 80.99 ft at 1:30PM Sep 29, 2023Observed: 80.99 ft at 1:45PM Sep 29, 2023Observed: 80.99 ft at 2:00PM Sep 29, 2023Observed: 80.99 ft at 2:15PM Sep 29, 2023Observed: 80.99 ft at 2:30PM Sep 29, 2023Observed: 80.99 ft at 2:45PM Sep 29, 2023Observed: 80.99 ft at 3:00PM Sep 29, 2023Observed: 80.99 ft at 3:15PM Sep 29, 2023Observed: 81 ft at 3:30PM Sep 29, 2023Observed: 81 ft at 3:45PM Sep 29, 2023Observed: 81 ft at 4:00PM Sep 29, 2023Observed: 81 ft at 4:15PM Sep 29, 2023Observed: 81 ft at 4:30PM Sep 29, 2023Observed: 80.99 ft at 4:45PM Sep 29, 2023Observed: 80.99 ft at 5:00PM Sep 29, 2023Observed: 80.99 ft at 5:15PM Sep 29, 2023Observed: 80.99 ft at 5:30PM Sep 29, 2023Observed: 80.99 ft at 5:45PM Sep 29, 2023Observed: 80.99 ft at 6:00PM Sep 29, 2023Observed: 80.99 ft at 6:15PM Sep 29, 2023Observed: 80.99 ft at 6:30PM Sep 29, 2023Observed: 80.99 ft at 6:45PM Sep 29, 2023Observed: 80.99 ft at 7:00PM Sep 29, 2023Observed: 81 ft at 7:15PM Sep 29, 2023Observed: 81 ft at 7:30PM Sep 29, 2023Observed: 81 ft at 7:45PM Sep 29, 2023Observed: 81 ft at 8:00PM Sep 29, 2023Observed: 81 ft at 8:15PM Sep 29, 2023Observed: 81 ft at 8:30PM Sep 29, 2023Observed: 81 ft at 8:45PM Sep 29, 2023Observed: 81.01 ft at 9:00PM Sep 29, 2023Observed: 81 ft at 9:15PM Sep 29, 2023Observed: 81.01 ft at 9:30PM Sep 29, 2023Observed: 81.01 ft at 9:45PM Sep 29, 2023Observed: 81.01 ft at 10:00PM Sep 29, 2023Observed: 81.01 ft at 10:15PM Sep 29, 2023Observed: 81.01 ft at 10:30PM Sep 29, 2023Observed: 81.01 ft at 10:45PM Sep 29, 2023Observed: 81.01 ft at 11:00PM Sep 29, 2023Observed: 81.01 ft at 11:15PM Sep 29, 2023Observed: 81.01 ft at 11:30PM Sep 29, 2023Observed: 81.01 ft at 11:45PM Sep 29, 2023Observed: 81.01 ft at 12:00AM Sep 30, 2023Observed: 81.01 ft at 12:15AM Sep 30, 2023Observed: 81.01 ft at 12:30AM Sep 30, 2023Observed: 81.01 ft at 12:45AM Sep 30, 2023Observed: 81.01 ft at 1:00AM Sep 30, 2023Observed: 81 ft at 1:15AM Sep 30, 2023Observed: 81.01 ft at 1:30AM Sep 30, 2023Observed: 81 ft at 1:45AM Sep 30, 2023Observed: 81 ft at 2:00AM Sep 30, 2023Observed: 81 ft at 2:15AM Sep 30, 2023Observed: 81 ft at 2:30AM Sep 30, 2023Observed: 80.99 ft at 2:45AM Sep 30, 2023Observed: 80.99 ft at 3:00AM Sep 30, 2023Observed: 80.99 ft at 3:15AM Sep 30, 2023Observed: 80.99 ft at 3:30AM Sep 30, 2023Observed: 80.98 ft at 3:45AM Sep 30, 2023Observed: 80.98 ft at 4:00AM Sep 30, 2023Observed: 80.98 ft at 4:15AM Sep 30, 2023Observed: 80.98 ft at 4:30AM Sep 30, 2023Observed: 80.98 ft at 4:45AM Sep 30, 2023Observed: 80.97 ft at 5:00AM Sep 30, 2023Observed: 80.97 ft at 5:15AM Sep 30, 2023Observed: 80.97 ft at 5:30AM Sep 30, 2023Observed: 80.97 ft at 5:45AM Sep 30, 2023Observed: 80.96 ft at 6:00AM Sep 30, 2023Observed: 80.96 ft at 6:15AM Sep 30, 2023Observed: 80.96 ft at 6:30AM Sep 30, 2023Observed: 80.97 ft at 6:45AM Sep 30, 2023Observed: 80.97 ft at 7:00AM Sep 30, 2023Observed: 80.97 ft at 7:15AM Sep 30, 2023Observed: 80.97 ft at 7:30AM Sep 30, 2023Observed: 80.96 ft at 7:45AM Sep 30, 2023Observed: 80.96 ft at 8:00AM Sep 30, 2023Observed: 80.96 ft at 8:15AM Sep 30, 2023Observed: 80.96 ft at 8:30AM Sep 30, 2023Observed: 80.96 ft at 8:45AM Sep 30, 2023Observed: 80.96 ft at 9:00AM Sep 30, 2023Observed: 80.96 ft at 9:15AM Sep 30, 2023Observed: 80.96 ft at 9:30AM Sep 30, 2023Observed: 80.95 ft at 9:45AM Sep 30, 2023Observed: 80.95 ft at 10:00AM Sep 30, 2023Observed: 80.95 ft at 10:15AM Sep 30, 2023Observed: 80.95 ft at 10:30AM Sep 30, 2023Observed: 80.95 ft at 10:45AM Sep 30, 2023Observed: 80.95 ft at 11:00AM Sep 30, 2023Observed: 80.94 ft at 11:15AM Sep 30, 2023Observed: 80.94 ft at 11:30AM Sep 30, 2023Observed: 80.94 ft at 11:45AM Sep 30, 2023Observed: 80.94 ft at 12:00PM Sep 30, 2023Observed: 80.94 ft at 12:15PM Sep 30, 2023Observed: 80.94 ft at 12:30PM Sep 30, 2023Observed: 80.94 ft at 12:45PM Sep 30, 2023Observed: 80.94 ft at 1:00PM Sep 30, 2023Observed: 80.93 ft at 1:15PM Sep 30, 2023Observed: 80.93 ft at 1:30PM Sep 30, 2023Observed: 80.94 ft at 1:45PM Sep 30, 2023Observed: 80.94 ft at 2:00PM Sep 30, 2023Observed: 80.94 ft at 2:15PM Sep 30, 2023Observed: 80.94 ft at 2:30PM Sep 30, 2023Observed: 80.94 ft at 2:45PM Sep 30, 2023Observed: 80.94 ft at 3:00PM Sep 30, 2023Observed: 80.94 ft at 3:15PM Sep 30, 2023Observed: 80.94 ft at 3:30PM Sep 30, 2023Observed: 80.94 ft at 3:45PM Sep 30, 2023Observed: 80.94 ft at 4:00PM Sep 30, 2023Observed: 80.94 ft at 4:15PM Sep 30, 2023Observed: 80.94 ft at 4:30PM Sep 30, 2023Observed: 80.94 ft at 4:45PM Sep 30, 2023Observed: 80.94 ft at 5:00PM Sep 30, 2023Observed: 80.94 ft at 5:15PM Sep 30, 2023Observed: 80.94 ft at 5:30PM Sep 30, 2023Observed: 80.94 ft at 5:45PM Sep 30, 2023Observed: 80.94 ft at 6:00PM Sep 30, 2023Observed: 80.94 ft at 6:15PM Sep 30, 2023Observed: 80.95 ft at 6:30PM Sep 30, 2023Observed: 80.95 ft at 6:45PM Sep 30, 2023Observed: 80.95 ft at 7:00PM Sep 30, 2023Observed: 80.95 ft at 7:15PM Sep 30, 2023Observed: 80.95 ft at 7:30PM Sep 30, 2023Observed: 80.94 ft at 7:45PM Sep 30, 2023Observed: 80.95 ft at 8:00PM Sep 30, 2023Observed: 80.95 ft at 8:15PM Sep 30, 2023Observed: 80.95 ft at 8:30PM Sep 30, 2023Observed: 80.95 ft at 8:45PM Sep 30, 2023Observed: 80.95 ft at 9:00PM Sep 30, 2023Observed: 80.95 ft at 9:15PM Sep 30, 2023Observed: 80.95 ft at 9:30PM Sep 30, 2023Observed: 80.96 ft at 9:45PM Sep 30, 2023Observed: 80.96 ft at 10:00PM Sep 30, 2023Observed: 80.96 ft at 10:15PM Sep 30, 2023Observed: 80.96 ft at 10:30PM Sep 30, 2023Observed: 80.95 ft at 10:45PM Sep 30, 2023Observed: 80.95 ft at 11:00PM Sep 30, 2023Observed: 80.95 ft at 11:15PM Sep 30, 2023Observed: 80.95 ft at 11:30PM Sep 30, 2023Observed: 80.95 ft at 11:45PM Sep 30, 2023Observed: 80.96 ft at 12:00AM Oct 01, 2023Observed: 80.96 ft at 12:15AM Oct 01, 2023Observed: 80.95 ft at 12:30AM Oct 01, 2023Observed: 80.95 ft at 12:45AM Oct 01, 2023Observed: 80.95 ft at 1:00AM Oct 01, 2023Observed: 80.95 ft at 1:15AM Oct 01, 2023Observed: 80.95 ft at 1:30AM Oct 01, 2023Observed: 80.95 ft at 1:45AM Oct 01, 2023Observed: 80.95 ft at 2:00AM Oct 01, 2023Observed: 80.95 ft at 2:15AM Oct 01, 2023Observed: 80.95 ft at 2:30AM Oct 01, 2023Observed: 80.95 ft at 2:45AM Oct 01, 2023Observed: 80.94 ft at 3:00AM Oct 01, 2023Observed: 80.94 ft at 3:15AM Oct 01, 2023Observed: 80.94 ft at 3:30AM Oct 01, 2023Observed: 80.94 ft at 3:45AM Oct 01, 2023Observed: 80.94 ft at 4:00AM Oct 01, 2023Observed: 80.93 ft at 4:15AM Oct 01, 2023Observed: 80.93 ft at 4:30AM Oct 01, 2023Observed: 80.94 ft at 4:45AM Oct 01, 2023Observed: 80.93 ft at 5:00AM Oct 01, 2023Observed: 80.93 ft at 5:15AM Oct 01, 2023Observed: 80.92 ft at 5:30AM Oct 01, 2023Observed: 80.92 ft at 5:45AM Oct 01, 2023Observed: 80.92 ft at 6:00AM Oct 01, 2023Observed: 80.92 ft at 6:15AM Oct 01, 2023Observed: 80.92 ft at 6:30AM Oct 01, 2023Observed: 80.92 ft at 6:45AM Oct 01, 2023Observed: 80.92 ft at 7:00AM Oct 01, 2023Observed: 80.92 ft at 7:15AM Oct 01, 2023Observed: 80.91 ft at 7:30AM Oct 01, 2023Observed: 80.91 ft at 7:45AM Oct 01, 2023Observed: 80.91 ft at 8:00AM Oct 01, 2023Observed: 80.91 ft at 8:15AM Oct 01, 2023Observed: 80.91 ft at 8:30AM Oct 01, 2023Observed: 80.91 ft at 8:45AM Oct 01, 2023Observed: 80.91 ft at 9:00AM Oct 01, 2023Observed: 80.91 ft at 9:15AM Oct 01, 2023Observed: 80.91 ft at 9:30AM Oct 01, 2023Observed: 80.91 ft at 9:45AM Oct 01, 2023Observed: 80.9 ft at 10:00AM Oct 01, 2023Observed: 80.88 ft at 10:15AM Oct 01, 2023Observed: 80.9 ft at 10:30AM Oct 01, 2023Observed: 80.9 ft at 10:45AM Oct 01, 2023Observed: 80.89 ft at 11:00AM Oct 01, 2023Observed: 80.89 ft at 11:15AM Oct 01, 2023Observed: 80.9 ft at 11:30AM Oct 01, 2023Observed: 80.89 ft at 11:45AM Oct 01, 2023Observed: 80.89 ft at 12:00PM Oct 01, 2023Observed: 80.89 ft at 12:15PM Oct 01, 2023Observed: 80.89 ft at 12:30PM Oct 01, 2023Observed: 80.89 ft at 12:45PM Oct 01, 2023Observed: 80.89 ft at 1:00PM Oct 01, 2023Observed: 80.89 ft at 1:15PM Oct 01, 2023Observed: 80.89 ft at 1:30PM Oct 01, 2023Observed: 80.89 ft at 1:45PM Oct 01, 2023Observed: 80.89 ft at 2:00PM Oct 01, 2023Observed: 80.89 ft at 2:15PM Oct 01, 2023Observed: 80.9 ft at 2:30PM Oct 01, 2023Observed: 80.9 ft at 2:45PM Oct 01, 2023Observed: 80.9 ft at 3:00PM Oct 01, 2023Observed: 80.9 ft at 3:15PM Oct 01, 2023Observed: 80.9 ft at 3:30PM Oct 01, 2023Observed: 80.9 ft at 3:45PM Oct 01, 2023Observed: 80.9 ft at 4:00PM Oct 01, 2023Observed: 80.9 ft at 4:15PM Oct 01, 2023Observed: 80.9 ft at 4:30PM Oct 01, 2023Observed: 80.9 ft at 4:45PM Oct 01, 2023Observed: 80.9 ft at 5:00PM Oct 01, 2023Observed: 80.9 ft at 5:15PM Oct 01, 2023Observed: 80.9 ft at 5:30PM Oct 01, 2023Observed: 80.9 ft at 5:45PM Oct 01, 2023Observed: 80.9 ft at 6:00PM Oct 01, 2023Observed: 80.9 ft at 6:15PM Oct 01, 2023Observed: 80.9 ft at 6:30PM Oct 01, 2023Observed: 80.91 ft at 6:45PM Oct 01, 2023Observed: 80.91 ft at 7:00PM Oct 01, 2023Observed: 80.91 ft at 7:15PM Oct 01, 2023Observed: 80.91 ft at 7:30PM Oct 01, 2023Observed: 80.91 ft at 7:45PM Oct 01, 2023Observed: 80.91 ft at 8:00PM Oct 01, 2023Observed: 80.92 ft at 8:15PM Oct 01, 2023Observed: 80.92 ft at 8:30PM Oct 01, 2023Observed: 80.92 ft at 8:45PM Oct 01, 2023Observed: 80.92 ft at 9:00PM Oct 01, 2023Observed: 80.92 ft at 9:15PM Oct 01, 2023Observed: 80.92 ft at 9:30PM Oct 01, 2023Observed: 80.92 ft at 9:45PM Oct 01, 2023Observed: 80.92 ft at 10:00PM Oct 01, 2023Observed: 80.92 ft at 10:15PM Oct 01, 2023Observed: 80.92 ft at 10:30PM Oct 01, 2023Observed: 80.92 ft at 10:45PM Oct 01, 2023Observed: 80.92 ft at 11:00PM Oct 01, 2023Observed: 80.92 ft at 11:15PM Oct 01, 2023Observed: 80.92 ft at 11:30PM Oct 01, 2023Observed: 80.92 ft at 11:45PM Oct 01, 2023Observed: 80.92 ft at 12:00AM Oct 02, 2023Observed: 80.92 ft at 12:15AM Oct 02, 2023Observed: 80.92 ft at 12:30AM Oct 02, 2023Observed: 80.92 ft at 12:45AM Oct 02, 2023Observed: 80.92 ft at 1:00AM Oct 02, 2023Observed: 80.92 ft at 1:15AM Oct 02, 2023Observed: 80.92 ft at 1:30AM Oct 02, 2023Observed: 80.92 ft at 1:45AM Oct 02, 2023Observed: 80.92 ft at 2:00AM Oct 02, 2023Observed: 80.92 ft at 2:15AM Oct 02, 2023Observed: 80.92 ft at 2:30AM Oct 02, 2023Observed: 80.92 ft at 2:45AM Oct 02, 2023Observed: 80.91 ft at 3:00AM Oct 02, 2023Observed: 80.91 ft at 3:15AM Oct 02, 2023Observed: 80.91 ft at 3:30AM Oct 02, 2023Observed: 80.91 ft at 3:45AM Oct 02, 2023Observed: 80.91 ft at 4:00AM Oct 02, 2023Observed: 80.91 ft at 4:15AM Oct 02, 2023Observed: 80.91 ft at 4:30AM Oct 02, 2023Observed: 80.91 ft at 4:45AM Oct 02, 2023Observed: 80.91 ft at 5:00AM Oct 02, 2023Observed: 80.91 ft at 5:15AM Oct 02, 2023Observed: 80.9 ft at 5:30AM Oct 02, 2023Observed: 80.9 ft at 5:45AM Oct 02, 2023Observed: 80.9 ft at 6:00AM Oct 02, 2023Observed: 80.9 ft at 6:15AM Oct 02, 2023Observed: 80.9 ft at 6:30AM Oct 02, 2023Observed: 80.89 ft at 6:45AM Oct 02, 2023Observed: 80.9 ft at 7:00AM Oct 02, 2023Observed: 80.89 ft at 7:15AM Oct 02, 2023Observed: 80.89 ft at 7:30AM Oct 02, 2023Observed: 80.89 ft at 7:45AM Oct 02, 2023Observed: 80.89 ft at 8:00AM Oct 02, 2023Observed: 80.89 ft at 8:15AM Oct 02, 2023Observed: 80.89 ft at 8:30AM Oct 02, 2023Observed: 80.89 ft at 8:45AM Oct 02, 2023Observed: 80.89 ft at 9:00AM Oct 02, 2023Observed: 80.89 ft at 9:15AM Oct 02, 2023Observed: 80.89 ft at 9:30AM Oct 02, 2023Observed: 80.89 ft at 9:45AM Oct 02, 2023Observed: 80.89 ft at 10:00AM Oct 02, 2023Observed: 80.89 ft at 10:15AM Oct 02, 2023Observed: 80.89 ft at 10:30AM Oct 02, 2023Observed: 80.89 ft at 10:45AM Oct 02, 2023Observed: 80.89 ft at 11:00AM Oct 02, 2023Observed: 80.89 ft at 11:15AM Oct 02, 2023Observed: 80.89 ft at 11:30AM Oct 02, 2023Observed: 80.89 ft at 11:45AM Oct 02, 2023Observed: 80.89 ft at 12:00PM Oct 02, 2023Observed: 80.89 ft at 12:15PM Oct 02, 2023Observed: 80.89 ft at 12:30PM Oct 02, 2023Observed: 80.89 ft at 12:45PM Oct 02, 2023Observed: 80.89 ft at 1:00PM Oct 02, 2023Observed: 80.89 ft at 1:15PM Oct 02, 2023Observed: 80.89 ft at 1:30PM Oct 02, 2023Observed: 80.89 ft at 1:45PM Oct 02, 2023Observed: 80.89 ft at 2:00PM Oct 02, 2023Observed: 80.89 ft at 2:15PM Oct 02, 2023Observed: 80.89 ft at 2:30PM Oct 02, 2023Observed: 80.89 ft at 2:45PM Oct 02, 2023Observed: 80.9 ft at 3:00PM Oct 02, 2023Observed: 80.9 ft at 3:15PM Oct 02, 2023Observed: 80.9 ft at 3:30PM Oct 02, 2023Observed: 80.89 ft at 3:45PM Oct 02, 2023Observed: 80.9 ft at 4:00PM Oct 02, 2023Observed: 80.9 ft at 4:15PM Oct 02, 2023Observed: 80.89 ft at 4:30PM Oct 02, 2023Observed: 80.89 ft at 4:45PM Oct 02, 2023Observed: 80.9 ft at 5:00PM Oct 02, 2023Observed: 80.9 ft at 5:15PM Oct 02, 2023Observed: 80.9 ft at 5:30PM Oct 02, 2023Observed: 80.9 ft at 5:45PM Oct 02, 2023Observed: 80.9 ft at 6:00PM Oct 02, 2023Observed: 80.9 ft at 6:15PM Oct 02, 2023Observed: 80.9 ft at 6:30PM Oct 02, 2023Observed: 80.9 ft at 6:45PM Oct 02, 2023Observed: 80.9 ft at 7:00PM Oct 02, 2023Observed: 80.9 ft at 7:15PM Oct 02, 2023Observed: 80.9 ft at 7:30PM Oct 02, 2023Observed: 80.91 ft at 7:45PM Oct 02, 2023Observed: 80.91 ft at 8:00PM Oct 02, 2023Observed: 80.91 ft at 8:15PM Oct 02, 2023Observed: 80.91 ft at 8:30PM Oct 02, 2023Observed: 80.91 ft at 8:45PM Oct 02, 2023Observed: 80.91 ft at 9:00PM Oct 02, 2023Observed: 80.92 ft at 9:15PM Oct 02, 2023Observed: 80.92 ft at 9:30PM Oct 02, 2023Observed: 80.92 ft at 9:45PM Oct 02, 2023Observed: 80.92 ft at 10:00PM Oct 02, 2023Observed: 80.92 ft at 10:15PM Oct 02, 2023Observed: 80.92 ft at 10:30PM Oct 02, 2023Observed: 80.92 ft at 10:45PM Oct 02, 2023Observed: 80.92 ft at 11:00PM Oct 02, 2023Observed: 80.92 ft at 11:15PM Oct 02, 2023Observed: 80.92 ft at 11:30PM Oct 02, 2023Observed: 80.92 ft at 11:45PM Oct 02, 2023Observed: 80.92 ft at 12:00AM Oct 03, 2023Observed: 80.92 ft at 12:15AM Oct 03, 2023Observed: 80.92 ft at 12:30AM Oct 03, 2023Observed: 80.92 ft at 12:45AM Oct 03, 2023Observed: 80.92 ft at 1:00AM Oct 03, 2023Observed: 80.92 ft at 1:15AM Oct 03, 2023Observed: 80.91 ft at 1:30AM Oct 03, 2023Observed: 80.92 ft at 1:45AM Oct 03, 2023Observed: 80.92 ft at 2:00AM Oct 03, 2023Observed: 80.92 ft at 2:15AM Oct 03, 2023Observed: 80.92 ft at 2:30AM Oct 03, 2023Observed: 80.91 ft at 2:45AM Oct 03, 2023Observed: 80.91 ft at 3:00AM Oct 03, 2023Observed: 80.91 ft at 3:15AM Oct 03, 2023Observed: 80.91 ft at 3:30AM Oct 03, 2023Observed: 80.91 ft at 3:45AM Oct 03, 2023Observed: 80.91 ft at 4:00AM Oct 03, 2023Observed: 80.91 ft at 4:15AM Oct 03, 2023Observed: 80.91 ft at 4:30AM Oct 03, 2023Observed: 80.91 ft at 4:45AM Oct 03, 2023Observed: 80.91 ft at 5:00AM Oct 03, 2023Observed: 80.91 ft at 5:15AM Oct 03, 2023Observed: 80.91 ft at 5:30AM Oct 03, 2023Observed: 80.91 ft at 5:45AM Oct 03, 2023Observed: 80.9 ft at 6:00AM Oct 03, 2023Observed: 80.9 ft at 6:15AM Oct 03, 2023Observed: 80.9 ft at 6:30AM Oct 03, 2023Observed: 80.9 ft at 6:45AM Oct 03, 2023Observed: 80.89 ft at 7:00AM Oct 03, 2023Observed: 80.9 ft at 7:15AM Oct 03, 2023Observed: 80.9 ft at 7:30AM Oct 03, 2023Observed: 80.9 ft at 7:45AM Oct 03, 2023Observed: 80.9 ft at 8:00AM Oct 03, 2023Observed: 80.9 ft at 8:15AM Oct 03, 2023Observed: 80.9 ft at 8:30AM Oct 03, 2023Observed: 80.9 ft at 8:45AM Oct 03, 2023USGS--Water Resources of the United StatesMASI4(plotting HGIRV) Graph Created (10:03AM Oct 3, 2023)ObservedLatest observed value: 80.9 ft at 8:45 AM CDT 3-Oct-2023.
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Tabular Data (UTC)
Tabular Data (CDT)
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Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Spring Creek (North Central IA) near Mason City US 65. Only observed stages are available for this point.

More information on datums is available at www.ngs.noaa.gov/faq.shtml

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Downstream Gauge Downstream Gauge - at Mason City
Flood Categories (in feet)
Not Available

Historic Crests
(1) 92.91 ft on 06/06/2008
(2) 91.15 ft on 05/22/2004
(3) 91.05 ft on 07/21/1999
(4) 90.53 ft on 09/22/2016
(5) 90.32 ft on 06/08/2018
(6) 90.32 ft on 05/30/1980
(7) 90.14 ft on 04/19/2005
(8) 89.65 ft on 06/19/1993
(9) 89.64 ft on 04/13/2022
(10) 88.94 ft on 08/25/1990
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 89.64 ft on 04/13/2022
(2) 83.82 ft on 08/28/2021
(3) 86.06 ft on 05/26/2020
(4) 88.10 ft on 03/14/2019
(5) 90.32 ft on 06/08/2018
(6) 84.01 ft on 02/21/2017
(7) 90.53 ft on 09/22/2016
(8) 85.70 ft on 06/22/2015
(9) 86.13 ft on 06/19/2014
(10) 86.78 ft on 03/14/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
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 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.
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Latitude: 43.213293° N, Longitude: 93.210759° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 Not Available Not Available  

Current/Historical Observations:
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NWS Information
National Weather Service
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
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