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Hydrograph River at a Glance Download
West Fork San Jacinto River near Conroe Stage (ft)Flow (kcfs)Observed: 108.46 ft at 1:15PM Apr 30, 2024Observed: 108.55 ft at 1:30PM Apr 30, 2024Observed: 108.61 ft at 1:45PM Apr 30, 2024Observed: 108.7 ft at 2:00PM Apr 30, 2024Observed: 108.74 ft at 2:15PM Apr 30, 2024Observed: 108.75 ft at 2:30PM Apr 30, 2024Observed: 108.77 ft at 2:45PM Apr 30, 2024Observed: 108.79 ft at 3:00PM Apr 30, 2024Observed: 108.81 ft at 3:15PM Apr 30, 2024Observed: 108.86 ft at 3:30PM Apr 30, 2024Observed: 108.89 ft at 3:45PM Apr 30, 2024Observed: 108.91 ft at 4:00PM Apr 30, 2024Observed: 108.99 ft at 4:15PM Apr 30, 2024Observed: 108.99 ft at 4:30PM Apr 30, 2024Observed: 109.04 ft at 4:45PM Apr 30, 2024Observed: 109.06 ft at 5:00PM Apr 30, 2024Observed: 109.08 ft at 5:15PM Apr 30, 2024Observed: 109.09 ft at 5:30PM Apr 30, 2024Observed: 109.09 ft at 5:45PM Apr 30, 2024Observed: 109.15 ft at 6:00PM Apr 30, 2024Observed: 109.15 ft at 6:15PM Apr 30, 2024Observed: 109.15 ft at 6:30PM Apr 30, 2024Observed: 109.19 ft at 6:45PM Apr 30, 2024Observed: 109.19 ft at 7:00PM Apr 30, 2024Observed: 109.22 ft at 7:15PM Apr 30, 2024Observed: 109.17 ft at 7:30PM Apr 30, 2024Observed: 109.2 ft at 7:45PM Apr 30, 2024Observed: 109.22 ft at 8:00PM Apr 30, 2024Observed: 109.2 ft at 8:15PM Apr 30, 2024Observed: 109.25 ft at 8:30PM Apr 30, 2024Observed: 109.31 ft at 8:45PM Apr 30, 2024Observed: 109.34 ft at 9:00PM Apr 30, 2024Observed: 109.32 ft at 9:15PM Apr 30, 2024Observed: 109.35 ft at 9:30PM Apr 30, 2024Observed: 109.36 ft at 9:45PM Apr 30, 2024Observed: 109.33 ft at 10:00PM Apr 30, 2024Observed: 109.34 ft at 10:15PM Apr 30, 2024Observed: 109.36 ft at 10:30PM Apr 30, 2024Observed: 109.38 ft at 10:45PM Apr 30, 2024Observed: 109.38 ft at 11:00PM Apr 30, 2024Observed: 109.35 ft at 11:15PM Apr 30, 2024Observed: 109.41 ft at 11:30PM Apr 30, 2024Observed: 109.41 ft at 11:45PM Apr 30, 2024Observed: 109.38 ft at 12:00AM May 01, 2024Observed: 109.39 ft at 12:15AM May 01, 2024Observed: 109.41 ft at 12:30AM May 01, 2024Observed: 109.42 ft at 12:45AM May 01, 2024Observed: 109.45 ft at 1:00AM May 01, 2024Observed: 109.41 ft at 1:15AM May 01, 2024Observed: 109.42 ft at 1:30AM May 01, 2024Observed: 109.4 ft at 1:45AM May 01, 2024Observed: 109.42 ft at 2:00AM May 01, 2024Observed: 109.42 ft at 2:15AM May 01, 2024Observed: 109.44 ft at 2:30AM May 01, 2024Observed: 109.42 ft at 2:45AM May 01, 2024Observed: 109.43 ft at 3:00AM May 01, 2024Observed: 109.44 ft at 3:15AM May 01, 2024Observed: 109.45 ft at 3:30AM May 01, 2024Observed: 109.46 ft at 3:45AM May 01, 2024Observed: 109.49 ft at 4:00AM May 01, 2024Observed: 109.49 ft at 4:15AM May 01, 2024Observed: 109.45 ft at 4:30AM May 01, 2024Observed: 109.49 ft at 4:45AM May 01, 2024Observed: 109.51 ft at 5:00AM May 01, 2024Observed: 109.5 ft at 5:15AM May 01, 2024Observed: 109.52 ft at 5:30AM May 01, 2024Observed: 109.53 ft at 5:45AM May 01, 2024Observed: 109.51 ft at 6:00AM May 01, 2024Observed: 109.55 ft at 6:15AM May 01, 2024Observed: 109.52 ft at 6:30AM May 01, 2024Observed: 109.52 ft at 6:45AM May 01, 2024Observed: 109.55 ft at 7:00AM May 01, 2024Observed: 109.51 ft at 7:15AM May 01, 2024Observed: 109.58 ft at 7:30AM May 01, 2024Observed: 109.56 ft at 7:45AM May 01, 2024Observed: 109.57 ft at 8:00AM May 01, 2024Observed: 109.58 ft at 8:15AM May 01, 2024Observed: 109.57 ft at 8:30AM May 01, 2024Observed: 109.59 ft at 8:45AM May 01, 2024Observed: 109.6 ft at 9:00AM May 01, 2024Observed: 109.61 ft at 9:15AM May 01, 2024Observed: 109.59 ft at 9:30AM May 01, 2024Observed: 109.61 ft at 9:45AM May 01, 2024Observed: 109.62 ft at 10:00AM May 01, 2024Observed: 109.62 ft at 10:15AM May 01, 2024Observed: 109.61 ft at 10:30AM May 01, 2024Observed: 109.66 ft at 10:45AM May 01, 2024Observed: 109.66 ft at 11:00AM May 01, 2024Observed: 109.72 ft at 11:15AM May 01, 2024Observed: 109.73 ft at 11:30AM May 01, 2024Observed: 109.73 ft at 11:45AM May 01, 2024Observed: 109.69 ft at 12:00PM May 01, 2024Observed: 109.72 ft at 12:15PM May 01, 2024Observed: 109.68 ft at 12:30PM May 01, 2024Observed: 109.72 ft at 12:45PM May 01, 2024Observed: 109.71 ft at 1:00PM May 01, 2024Observed: 109.72 ft at 1:15PM May 01, 2024Observed: 109.69 ft at 1:30PM May 01, 2024Observed: 109.72 ft at 1:45PM May 01, 2024Observed: 109.72 ft at 2:00PM May 01, 2024Observed: 109.73 ft at 2:15PM May 01, 2024Observed: 109.71 ft at 2:30PM May 01, 2024Observed: 109.73 ft at 2:45PM May 01, 2024Observed: 109.74 ft at 3:00PM May 01, 2024Observed: 109.74 ft at 3:15PM May 01, 2024Observed: 109.75 ft at 3:30PM May 01, 2024Observed: 109.74 ft at 3:45PM May 01, 2024Observed: 109.78 ft at 4:00PM May 01, 2024Observed: 109.76 ft at 4:15PM May 01, 2024Observed: 109.8 ft at 4:30PM May 01, 2024Observed: 109.8 ft at 4:45PM May 01, 2024Observed: 109.79 ft at 5:00PM May 01, 2024Observed: 109.82 ft at 5:15PM May 01, 2024Observed: 109.81 ft at 5:30PM May 01, 2024Observed: 109.86 ft at 5:45PM May 01, 2024Observed: 109.87 ft at 6:00PM May 01, 2024Observed: 109.86 ft at 6:15PM May 01, 2024Observed: 109.86 ft at 6:30PM May 01, 2024Observed: 109.87 ft at 6:45PM May 01, 2024Observed: 109.85 ft at 7:00PM May 01, 2024Observed: 109.82 ft at 7:15PM May 01, 2024Observed: 109.88 ft at 7:30PM May 01, 2024Observed: 109.87 ft at 7:45PM May 01, 2024Observed: 109.85 ft at 8:00PM May 01, 2024Observed: 109.86 ft at 8:15PM May 01, 2024Observed: 109.84 ft at 8:30PM May 01, 2024Observed: 109.86 ft at 8:45PM May 01, 2024Observed: 109.82 ft at 9:00PM May 01, 2024Observed: 109.85 ft at 9:15PM May 01, 2024Observed: 109.85 ft at 9:30PM May 01, 2024Observed: 109.83 ft at 9:45PM May 01, 2024Observed: 109.84 ft at 10:00PM May 01, 2024Observed: 109.84 ft at 10:15PM May 01, 2024Observed: 109.87 ft at 10:30PM May 01, 2024Observed: 109.84 ft at 10:45PM May 01, 2024Observed: 109.8 ft at 11:00PM May 01, 2024Observed: 109.82 ft at 11:15PM May 01, 2024Observed: 109.82 ft at 11:30PM May 01, 2024Observed: 109.8 ft at 11:45PM May 01, 2024Observed: 109.81 ft at 12:00AM May 02, 2024Observed: 109.85 ft at 12:15AM May 02, 2024Observed: 109.87 ft at 12:30AM May 02, 2024Observed: 109.84 ft at 12:45AM May 02, 2024Observed: 109.83 ft at 1:00AM May 02, 2024Observed: 109.86 ft at 1:15AM May 02, 2024Observed: 109.88 ft at 1:30AM May 02, 2024Observed: 109.85 ft at 1:45AM May 02, 2024Observed: 109.89 ft at 2:00AM May 02, 2024Observed: 109.85 ft at 2:15AM May 02, 2024Observed: 109.85 ft at 2:30AM May 02, 2024Observed: 109.86 ft at 2:45AM May 02, 2024Observed: 109.87 ft at 3:00AM May 02, 2024Observed: 109.85 ft at 3:15AM May 02, 2024Observed: 109.85 ft at 3:30AM May 02, 2024Observed: 109.85 ft at 3:45AM May 02, 2024Observed: 109.8 ft at 4:00AM May 02, 2024Observed: 109.78 ft at 4:15AM May 02, 2024Observed: 109.76 ft at 4:30AM May 02, 2024Observed: 109.79 ft at 4:45AM May 02, 2024Observed: 109.78 ft at 5:00AM May 02, 2024Observed: 109.74 ft at 5:15AM May 02, 2024Observed: 109.74 ft at 5:30AM May 02, 2024Observed: 109.7 ft at 5:45AM May 02, 2024Observed: 109.69 ft at 6:00AM May 02, 2024Observed: 109.66 ft at 6:15AM May 02, 2024Observed: 109.67 ft at 6:30AM May 02, 2024Observed: 109.62 ft at 6:45AM May 02, 2024Observed: 109.75 ft at 7:00AM May 02, 2024Observed: 109.99 ft at 7:15AM May 02, 2024Observed: 110.14 ft at 7:30AM May 02, 2024Observed: 110.36 ft at 7:45AM May 02, 2024Observed: 110.52 ft at 8:00AM May 02, 2024Observed: 110.65 ft at 8:15AM May 02, 2024Observed: 110.8 ft at 8:30AM May 02, 2024Observed: 110.94 ft at 8:45AM May 02, 2024Observed: 111.1 ft at 9:00AM May 02, 2024Observed: 111.23 ft at 9:15AM May 02, 2024Observed: 111.38 ft at 9:30AM May 02, 2024Observed: 111.45 ft at 9:45AM May 02, 2024Observed: 111.6 ft at 10:00AM May 02, 2024Observed: 111.65 ft at 10:15AM May 02, 2024Observed: 111.78 ft at 10:30AM May 02, 2024Observed: 111.85 ft at 10:45AM May 02, 2024Observed: 111.99 ft at 11:00AM May 02, 2024Observed: 112.08 ft at 11:15AM May 02, 2024Observed: 112.21 ft at 11:30AM May 02, 2024Observed: 112.26 ft at 11:45AM May 02, 2024Observed: 112.4 ft at 12:00PM May 02, 2024Observed: 112.49 ft at 12:15PM May 02, 2024Observed: 112.64 ft at 12:30PM May 02, 2024Observed: 112.67 ft at 12:45PM May 02, 2024Observed: 112.75 ft at 1:00PM May 02, 2024Observed: 112.87 ft at 1:15PM May 02, 2024Observed: 112.93 ft at 1:30PM May 02, 2024Observed: 113.05 ft at 1:45PM May 02, 2024Observed: 113.11 ft at 2:00PM May 02, 2024Observed: 113.18 ft at 2:15PM May 02, 2024Observed: 113.25 ft at 2:30PM May 02, 2024Observed: 113.33 ft at 2:45PM May 02, 2024Observed: 113.42 ft at 3:00PM May 02, 2024Observed: 113.51 ft at 3:15PM May 02, 2024Observed: 113.61 ft at 3:30PM May 02, 2024Observed: 113.73 ft at 3:45PM May 02, 2024Observed: 113.83 ft at 4:00PM May 02, 2024Observed: 114.01 ft at 4:15PM May 02, 2024Observed: 114.18 ft at 4:30PM May 02, 2024Observed: 114.39 ft at 4:45PM May 02, 2024Observed: 114.63 ft at 5:00PM May 02, 2024Observed: 114.95 ft at 5:15PM May 02, 2024Observed: 115.2 ft at 5:30PM May 02, 2024Observed: 115.62 ft at 5:45PM May 02, 2024Observed: 116.05 ft at 6:00PM May 02, 2024Observed: 116.43 ft at 6:15PM May 02, 2024Observed: 116.83 ft at 6:30PM May 02, 2024Observed: 117.15 ft at 6:45PM May 02, 2024Observed: 117.48 ft at 7:00PM May 02, 2024Observed: 117.85 ft at 7:15PM May 02, 2024Observed: 118.23 ft at 7:30PM May 02, 2024Observed: 118.58 ft at 7:45PM May 02, 2024Observed: 118.92 ft at 8:00PM May 02, 2024Observed: 119.19 ft at 8:15PM May 02, 2024Observed: 119.41 ft at 8:30PM May 02, 2024Observed: 119.62 ft at 8:45PM May 02, 2024Observed: 119.78 ft at 9:00PM May 02, 2024Observed: 119.94 ft at 9:15PM May 02, 2024Observed: 120.08 ft at 9:30PM May 02, 2024Observed: 120.21 ft at 9:45PM May 02, 2024Observed: 120.32 ft at 10:00PM May 02, 2024Observed: 120.42 ft at 10:15PM May 02, 2024Observed: 120.52 ft at 10:30PM May 02, 2024Observed: 120.61 ft at 10:45PM May 02, 2024Observed: 120.71 ft at 11:00PM May 02, 2024Observed: 120.78 ft at 11:15PM May 02, 2024Observed: 120.84 ft at 11:30PM May 02, 2024Observed: 120.91 ft at 11:45PM May 02, 2024Observed: 120.97 ft at 12:00AM May 03, 2024Observed: 121.02 ft at 12:15AM May 03, 2024Observed: 121.09 ft at 12:30AM May 03, 2024Observed: 121.12 ft at 12:45AM May 03, 2024Observed: 121.17 ft at 1:00AM May 03, 2024Observed: 121.22 ft at 1:15AM May 03, 2024Observed: 121.26 ft at 1:30AM May 03, 2024Observed: 121.29 ft at 1:45AM May 03, 2024Observed: 121.32 ft at 2:00AM May 03, 2024Observed: 121.35 ft at 2:15AM May 03, 2024Observed: 121.36 ft at 2:30AM May 03, 2024Observed: 121.39 ft at 2:45AM May 03, 2024Observed: 121.39 ft at 3:00AM May 03, 2024Observed: 121.43 ft at 3:15AM May 03, 2024Observed: 121.42 ft at 3:30AM May 03, 2024Observed: 121.44 ft at 3:45AM May 03, 2024Observed: 121.45 ft at 4:00AM May 03, 2024Observed: 121.47 ft at 4:15AM May 03, 2024Observed: 121.48 ft at 4:30AM May 03, 2024Observed: 121.5 ft at 4:45AM May 03, 2024Observed: 121.5 ft at 5:00AM May 03, 2024Observed: 121.5 ft at 5:15AM May 03, 2024Observed: 121.5 ft at 5:30AM May 03, 2024Observed: 121.5 ft at 5:45AM May 03, 2024Observed: 121.51 ft at 6:00AM May 03, 2024Observed: 121.58 ft at 6:15AM May 03, 2024Observed: 121.62 ft at 6:30AM May 03, 2024Observed: 121.65 ft at 6:45AM May 03, 2024Observed: 121.66 ft at 7:00AM May 03, 2024Observed: 121.65 ft at 7:15AM May 03, 2024Observed: 121.66 ft at 7:30AM May 03, 2024Observed: 121.66 ft at 7:45AM May 03, 2024Observed: 121.67 ft at 8:00AM May 03, 2024Observed: 121.66 ft at 8:15AM May 03, 2024Observed: 121.67 ft at 8:30AM May 03, 2024Observed: 121.72 ft at 8:45AM May 03, 2024Highest Observation: 121.79 ft at 9:00AM May 03, 2024Observed: 121.76 ft at 9:15AM May 03, 2024Observed: 121.77 ft at 9:30AM May 03, 2024Observed: 121.76 ft at 9:45AM May 03, 2024Observed: 121.75 ft at 10:00AM May 03, 2024Observed: 121.76 ft at 10:15AM May 03, 2024Observed: 121.78 ft at 10:30AM May 03, 2024Highest Observation: 121.79 ft at 10:45AM May 03, 2024Observed: 121.78 ft at 11:00AM May 03, 2024Observed: 121.78 ft at 11:15AM May 03, 2024Observed: 121.77 ft at 11:30AM May 03, 2024Observed: 121.78 ft at 11:45AM May 03, 2024Observed: 121.78 ft at 12:00PM May 03, 2024Highest Observation: 121.79 ft at 12:15PM May 03, 2024Forecast: 121.7 ft 2:00PM May 03, 2024Forecast: 121.7 ft 3:00PM May 03, 2024Forecast: 121.8 ft 4:00PM May 03, 2024Forecast: 121.9 ft 5:00PM May 03, 2024Forecast: 122 ft 6:00PM May 03, 2024Highest Forecast: 122.1 ft 7:00PM May 03, 2024Forecast: 122 ft 8:00PM May 03, 2024Forecast: 121.9 ft 9:00PM May 03, 2024Forecast: 121.9 ft 10:00PM May 03, 2024Forecast: 121.7 ft 11:00PM May 03, 2024Forecast: 121.7 ft 12:00AM May 04, 2024Forecast: 121.6 ft 1:00AM May 04, 2024Forecast: 121.5 ft 2:00AM May 04, 2024Forecast: 121.4 ft 3:00AM May 04, 2024Forecast: 121.3 ft 4:00AM May 04, 2024Forecast: 121.2 ft 5:00AM May 04, 2024Forecast: 121.1 ft 6:00AM May 04, 2024Forecast: 121 ft 7:00AM May 04, 2024Forecast: 120.9 ft 8:00AM May 04, 2024Forecast: 120.8 ft 9:00AM May 04, 2024Forecast: 120.7 ft 10:00AM May 04, 2024Forecast: 120.6 ft 11:00AM May 04, 2024Forecast: 120.5 ft 12:00PM May 04, 2024Forecast: 120.4 ft 1:00PM May 04, 2024Forecast: 120.3 ft 2:00PM May 04, 2024Forecast: 120.1 ft 3:00PM May 04, 2024Forecast: 119.8 ft 4:00PM May 04, 2024Forecast: 119.4 ft 5:00PM May 04, 2024Forecast: 119 ft 6:00PM May 04, 2024Forecast: 118.6 ft 7:00PM May 04, 2024Forecast: 118.2 ft 8:00PM May 04, 2024Forecast: 117.9 ft 9:00PM May 04, 2024Forecast: 117.6 ft 10:00PM May 04, 2024Forecast: 117.3 ft 11:00PM May 04, 2024Forecast: 117.2 ft 12:00AM May 05, 2024Forecast: 117 ft 1:00AM May 05, 2024Forecast: 116.8 ft 2:00AM May 05, 2024Forecast: 116.7 ft 3:00AM May 05, 2024Forecast: 116.5 ft 4:00AM May 05, 2024Forecast: 116.4 ft 5:00AM May 05, 2024Forecast: 116.3 ft 6:00AM May 05, 2024Forecast: 116.1 ft 7:00AM May 05, 2024Forecast: 116 ft 8:00AM May 05, 2024Forecast: 115.9 ft 9:00AM May 05, 2024Forecast: 115.8 ft 10:00AM May 05, 2024Forecast: 115.7 ft 11:00AM May 05, 2024Forecast: 115.6 ft 12:00PM May 05, 2024Forecast: 115.4 ft 1:00PM May 05, 2024Forecast: 115.1 ft 2:00PM May 05, 2024Forecast: 114.8 ft 3:00PM May 05, 2024Forecast: 114.5 ft 4:00PM May 05, 2024Forecast: 114.2 ft 5:00PM May 05, 2024Forecast: 113.9 ft 6:00PM May 05, 2024Forecast: 113.7 ft 7:00PM May 05, 2024Forecast: 113.5 ft 8:00PM May 05, 2024Forecast: 113.3 ft 9:00PM May 05, 2024Forecast: 113.1 ft 10:00PM May 05, 2024Forecast: 113 ft 11:00PM May 05, 2024Forecast: 112.8 ft 12:00AM May 06, 2024Forecast: 112.7 ft 1:00AM May 06, 2024Forecast: 112.6 ft 2:00AM May 06, 2024Forecast: 112.5 ft 3:00AM May 06, 2024Forecast: 112.4 ft 4:00AM May 06, 2024Forecast: 112.3 ft 5:00AM May 06, 2024Forecast: 112.3 ft 6:00AM May 06, 2024Forecast: 112.2 ft 7:00AM May 06, 2024Forecast: 112.1 ft 8:00AM May 06, 2024Forecast: 112 ft 9:00AM May 06, 2024Forecast: 111.9 ft 10:00AM May 06, 2024Forecast: 111.6 ft 11:00AM May 06, 2024Forecast: 111.1 ft 12:00PM May 06, 2024Forecast: 110.5 ft 1:00PM May 06, 2024Forecast: 110 ft 2:00PM May 06, 2024Forecast: 109.6 ft 3:00PM May 06, 2024Forecast: 109.2 ft 4:00PM May 06, 2024Forecast: 108.9 ft 5:00PM May 06, 2024Forecast: 108.6 ft 6:00PM May 06, 2024Forecast: 108.3 ft 7:00PM May 06, 2024Forecast: 108.1 ft 8:00PM May 06, 2024Forecast: 108 ft 9:00PM May 06, 2024Forecast: 107.8 ft 10:00PM May 06, 2024Forecast: 107.7 ft 11:00PM May 06, 2024Forecast: 107.5 ft 12:00AM May 07, 2024Forecast: 107.4 ft 1:00AM May 07, 2024Forecast: 107.3 ft 2:00AM May 07, 2024Forecast: 107.2 ft 3:00AM May 07, 2024Forecast: 107.2 ft 4:00AM May 07, 2024Forecast: 107.1 ft 5:00AM May 07, 2024Forecast: 107 ft 6:00AM May 07, 2024Forecast: 107 ft 7:00AM May 07, 2024Forecast: 106.9 ft 8:00AM May 07, 2024Forecast: 106.9 ft 9:00AM May 07, 2024Forecast: 106.8 ft 10:00AM May 07, 2024Forecast: 106.8 ft 11:00AM May 07, 2024Forecast: 106.7 ft 12:00PM May 07, 2024Forecast: 106.7 ft 1:00PM May 07, 2024Forecast: 106.6 ft 2:00PM May 07, 2024Forecast: 106.6 ft 3:00PM May 07, 2024Forecast: 106.5 ft 4:00PM May 07, 2024Forecast: 106.5 ft 5:00PM May 07, 2024Forecast: 106.5 ft 6:00PM May 07, 2024Forecast: 106.4 ft 7:00PM May 07, 2024Forecast: 106.4 ft 8:00PM May 07, 2024Forecast: 106.3 ft 9:00PM May 07, 2024Forecast: 106.3 ft 10:00PM May 07, 2024Forecast: 106.2 ft 11:00PM May 07, 2024Forecast: 106.2 ft 12:00AM May 08, 2024Forecast: 106.2 ft 1:00AM May 08, 2024Forecast: 106.1 ft 2:00AM May 08, 2024Forecast: 106.1 ft 3:00AM May 08, 2024Forecast: 106.1 ft 4:00AM May 08, 2024Forecast: 106 ft 5:00AM May 08, 2024Forecast: 106 ft 6:00AM May 08, 2024Forecast: 106 ft 7:00AM May 08, 2024Forecast: 105.9 ft 8:00AM May 08, 2024USGS--Water Resources of the United StatesCFKT2(plotting HGIRG) Graph Created (1:07PM May 3, 2024)ObservedForecast (issued 8:55AM May 3)Latest observed value: 121.79 ft at 12:15 PM CDT 3-May-2024. Flood Stage is 115.8 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the West Fork San Jacinto River near Conroe are issued as needed during times of high water, but are not routinely available.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - near Porter
Flood Categories (in feet)
Major Flood Stage: 117.8
Moderate Flood Stage: 116.8
Flood Stage: 115.8
Action Stage: 114.8
Low Stage (in feet): -9999

Historic Crests
(1) 126.93 ft on 08/29/2017
(2) 126.10 ft on 10/18/1994
(3) 123.22 ft on 06/03/1950
(4) 123.15 ft on 08/30/1945
(5) 123.00 ft on 04/22/1926
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 126.93 ft on 08/29/2017
(2) 121.14 ft on 05/28/2016
(3) 116.51 ft on 05/28/2015
(4) 116.05 ft on 05/13/2015
(5) 114.24 ft on 02/13/2004
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 96.60 ft on 08/20/1981
(2) 96.70 ft on 04/29/1990
(3) 96.75 ft on 08/28/1988
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
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
126.09 Flood of record set October 18, 1994.
122.8 approach the flood of record.
117.8 Major lowland flooding begins.
116.8 Moderate lowland flooding begins.
115.8 Minor lowland flooding begins.
About This Location Collapse

Latitude: 30.244444° N, Longitude: 95.456944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 115.8 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 0.00 115.8 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 95.03 20.0 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

Current/Historical Observations:
Additional Information Collapse
The datum of this gauge changed from 95.03 feet NGVD29 to 0 feet NAVD88, 2001 adjustment on October 1, 2012. Thi9s change became effective on January 3, 2013 and required an adjustment of action and flood stages as well as historical data.
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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
Houston/Galveston Weather Forecast Office
1353 FM 646, Suite 202
Dickinson, TX 77539
(281) 337-5074
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