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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.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.



Hydrograph River at a Glance Download
Napa River at Brazos Drawbridge Stage (ft)Observed: 5.9 ft at 6:02PM Sep 17, 2023Observed: 5.78 ft at 6:08PM Sep 17, 2023Observed: 5.68 ft at 6:14PM Sep 17, 2023Observed: 5.6 ft at 6:20PM Sep 17, 2023Observed: 5.49 ft at 6:26PM Sep 17, 2023Observed: 5.39 ft at 6:32PM Sep 17, 2023Observed: 5.29 ft at 6:38PM Sep 17, 2023Observed: 5.19 ft at 6:44PM Sep 17, 2023Observed: 5.08 ft at 6:50PM Sep 17, 2023Observed: 4.98 ft at 6:56PM Sep 17, 2023Observed: 4.87 ft at 7:02PM Sep 17, 2023Observed: 4.76 ft at 7:08PM Sep 17, 2023Observed: 4.65 ft at 7:14PM Sep 17, 2023Observed: 4.55 ft at 7:20PM Sep 17, 2023Observed: 4.44 ft at 7:28PM Sep 17, 2023Observed: 4.34 ft at 7:34PM Sep 17, 2023Observed: 4.23 ft at 7:40PM Sep 17, 2023Observed: 4.12 ft at 7:46PM Sep 17, 2023Observed: 4.01 ft at 7:52PM Sep 17, 2023Observed: 3.91 ft at 7:58PM Sep 17, 2023Observed: 3.81 ft at 8:04PM Sep 17, 2023Observed: 3.7 ft at 8:10PM Sep 17, 2023Observed: 3.6 ft at 8:16PM Sep 17, 2023Observed: 3.49 ft at 8:22PM Sep 17, 2023Observed: 3.38 ft at 8:28PM Sep 17, 2023Observed: 3.27 ft at 8:34PM Sep 17, 2023Observed: 3.16 ft at 8:40PM Sep 17, 2023Observed: 3.05 ft at 8:46PM Sep 17, 2023Observed: 2.95 ft at 8:52PM Sep 17, 2023Observed: 2.84 ft at 8:58PM Sep 17, 2023Observed: 2.72 ft at 9:04PM Sep 17, 2023Observed: 2.61 ft at 9:10PM Sep 17, 2023Observed: 2.49 ft at 9:16PM Sep 17, 2023Observed: 2.38 ft at 9:22PM Sep 17, 2023Observed: 2.28 ft at 9:26PM Sep 17, 2023Observed: 2.16 ft at 9:32PM Sep 17, 2023Observed: 2.06 ft at 9:38PM Sep 17, 2023Observed: 1.95 ft at 9:44PM Sep 17, 2023Observed: 1.83 ft at 9:50PM Sep 17, 2023Observed: 1.73 ft at 9:56PM Sep 17, 2023Observed: 1.62 ft at 10:02PM Sep 17, 2023Observed: 1.52 ft at 10:08PM Sep 17, 2023Observed: 1.4 ft at 10:16PM Sep 17, 2023Observed: 1.3 ft at 10:26PM Sep 17, 2023Observed: 1.19 ft at 10:38PM Sep 17, 2023Observed: 1.3 ft at 11:24PM Sep 17, 2023Observed: 1.42 ft at 11:30PM Sep 17, 2023Observed: 1.53 ft at 11:36PM Sep 17, 2023Observed: 1.63 ft at 11:42PM Sep 17, 2023Observed: 1.73 ft at 11:46PM Sep 17, 2023Observed: 1.85 ft at 11:52PM Sep 17, 2023Observed: 1.96 ft at 11:56PM Sep 17, 2023Observed: 2.08 ft at 12:02AM Sep 18, 2023Observed: 2.2 ft at 12:06AM Sep 18, 2023Observed: 2.31 ft at 12:12AM Sep 18, 2023Observed: 2.42 ft at 12:16AM Sep 18, 2023Observed: 2.53 ft at 12:22AM Sep 18, 2023Observed: 2.63 ft at 12:26AM Sep 18, 2023Observed: 2.73 ft at 12:32AM Sep 18, 2023Observed: 2.85 ft at 12:38AM Sep 18, 2023Observed: 2.95 ft at 12:42AM Sep 18, 2023Observed: 3.06 ft at 12:48AM Sep 18, 2023Observed: 3.18 ft at 12:54AM Sep 18, 2023Observed: 3.29 ft at 1:00AM Sep 18, 2023Observed: 3.39 ft at 1:06AM Sep 18, 2023Observed: 3.5 ft at 1:14AM Sep 18, 2023Observed: 3.61 ft at 1:20AM Sep 18, 2023Observed: 3.72 ft at 1:28AM Sep 18, 2023Observed: 3.83 ft at 1:34AM Sep 18, 2023Observed: 3.93 ft at 1:42AM Sep 18, 2023Observed: 4.03 ft at 1:48AM Sep 18, 2023Observed: 4.13 ft at 1:56AM Sep 18, 2023Observed: 4.24 ft at 2:02AM Sep 18, 2023Observed: 4.34 ft at 2:10AM Sep 18, 2023Observed: 4.44 ft at 2:16AM Sep 18, 2023Observed: 4.55 ft at 2:24AM Sep 18, 2023Observed: 4.65 ft at 2:32AM Sep 18, 2023Observed: 4.76 ft at 2:40AM Sep 18, 2023Observed: 4.87 ft at 2:50AM Sep 18, 2023Observed: 4.97 ft at 2:58AM Sep 18, 2023Observed: 5.09 ft at 3:08AM Sep 18, 2023Observed: 5.19 ft at 3:18AM Sep 18, 2023Observed: 5.3 ft at 3:30AM Sep 18, 2023Observed: 5.4 ft at 3:40AM Sep 18, 2023Observed: 5.5 ft at 3:52AM Sep 18, 2023Observed: 5.6 ft at 4:08AM Sep 18, 2023Observed: 5.71 ft at 4:24AM Sep 18, 2023Observed: 5.81 ft at 4:56AM Sep 18, 2023Observed: 5.7 ft at 5:44AM Sep 18, 2023Observed: 5.59 ft at 5:56AM Sep 18, 2023Observed: 5.49 ft at 6:06AM Sep 18, 2023Observed: 5.38 ft at 6:14AM Sep 18, 2023Observed: 5.32 ft at 6:20AM Sep 18, 2023Observed: 5.21 ft at 6:28AM Sep 18, 2023Observed: 5.11 ft at 6:34AM Sep 18, 2023Observed: 5 ft at 6:42AM Sep 18, 2023Observed: 4.9 ft at 6:48AM Sep 18, 2023Observed: 4.79 ft at 6:56AM Sep 18, 2023Observed: 4.69 ft at 7:02AM Sep 18, 2023Observed: 4.58 ft at 7:10AM Sep 18, 2023Observed: 4.47 ft at 7:16AM Sep 18, 2023Observed: 4.36 ft at 7:24AM Sep 18, 2023Observed: 4.25 ft at 7:30AM Sep 18, 2023Observed: 4.13 ft at 7:38AM Sep 18, 2023Observed: 4.02 ft at 7:44AM Sep 18, 2023Observed: 3.91 ft at 7:52AM Sep 18, 2023Observed: 3.8 ft at 7:58AM Sep 18, 2023Observed: 3.69 ft at 8:04AM Sep 18, 2023Observed: 3.58 ft at 8:12AM Sep 18, 2023Observed: 3.47 ft at 8:18AM Sep 18, 2023Observed: 3.36 ft at 8:26AM Sep 18, 2023Observed: 3.25 ft at 8:32AM Sep 18, 2023Observed: 3.14 ft at 8:40AM Sep 18, 2023Observed: 3.03 ft at 8:46AM Sep 18, 2023Observed: 2.92 ft at 8:54AM Sep 18, 2023Observed: 2.81 ft at 9:00AM Sep 18, 2023Observed: 2.7 ft at 9:08AM Sep 18, 2023Observed: 2.59 ft at 9:14AM Sep 18, 2023Observed: 2.49 ft at 9:22AM Sep 18, 2023Observed: 2.39 ft at 9:28AM Sep 18, 2023Observed: 2.28 ft at 9:36AM Sep 18, 2023Observed: 2.17 ft at 9:44AM Sep 18, 2023Observed: 2.06 ft at 9:52AM Sep 18, 2023Observed: 1.96 ft at 10:02AM Sep 18, 2023Observed: 1.86 ft at 10:14AM Sep 18, 2023Observed: 1.96 ft at 10:58AM Sep 18, 2023Observed: 2.07 ft at 11:06AM Sep 18, 2023Observed: 2.17 ft at 11:12AM Sep 18, 2023Observed: 2.28 ft at 11:18AM Sep 18, 2023Observed: 2.4 ft at 11:24AM Sep 18, 2023Observed: 2.5 ft at 11:30AM Sep 18, 2023Observed: 2.61 ft at 11:36AM Sep 18, 2023Observed: 2.73 ft at 11:42AM Sep 18, 2023Observed: 2.84 ft at 11:48AM Sep 18, 2023Observed: 2.96 ft at 11:54AM Sep 18, 2023Observed: 3.07 ft at 12:00PM Sep 18, 2023Observed: 3.18 ft at 12:06PM Sep 18, 2023Observed: 3.28 ft at 12:12PM Sep 18, 2023Observed: 3.4 ft at 12:18PM Sep 18, 2023Observed: 3.51 ft at 12:24PM Sep 18, 2023Observed: 3.62 ft at 12:30PM Sep 18, 2023Observed: 3.72 ft at 12:36PM Sep 18, 2023Observed: 3.82 ft at 12:42PM Sep 18, 2023Observed: 3.94 ft at 12:50PM Sep 18, 2023Observed: 4.05 ft at 12:56PM Sep 18, 2023Observed: 4.15 ft at 1:02PM Sep 18, 2023Observed: 4.26 ft at 1:08PM Sep 18, 2023Observed: 4.37 ft at 1:16PM Sep 18, 2023Observed: 4.48 ft at 1:22PM Sep 18, 2023Observed: 4.59 ft at 1:30PM Sep 18, 2023Observed: 4.7 ft at 1:36PM Sep 18, 2023Observed: 4.81 ft at 1:44PM Sep 18, 2023Observed: 4.92 ft at 1:50PM Sep 18, 2023Observed: 5.03 ft at 1:58PM Sep 18, 2023Observed: 5.13 ft at 2:04PM Sep 18, 2023Observed: 5.24 ft at 2:12PM Sep 18, 2023Observed: 5.35 ft at 2:20PM Sep 18, 2023Observed: 5.46 ft at 2:28PM Sep 18, 2023Observed: 5.57 ft at 2:36PM Sep 18, 2023Observed: 5.68 ft at 2:44PM Sep 18, 2023Observed: 5.79 ft at 2:54PM Sep 18, 2023Observed: 5.89 ft at 3:02PM Sep 18, 2023Observed: 5.99 ft at 3:12PM Sep 18, 2023Observed: 6.1 ft at 3:24PM Sep 18, 2023Observed: 6.2 ft at 3:36PM Sep 18, 2023Observed: 6.31 ft at 3:48PM Sep 18, 2023Observed: 6.41 ft at 4:02PM Sep 18, 2023Observed: 6.52 ft at 4:16PM Sep 18, 2023Observed: 6.62 ft at 4:48PM Sep 18, 2023Observed: 6.51 ft at 5:40PM Sep 18, 2023Observed: 6.41 ft at 5:52PM Sep 18, 2023Observed: 6.3 ft at 6:00PM Sep 18, 2023Observed: 6.19 ft at 6:08PM Sep 18, 2023Observed: 6.09 ft at 6:16PM Sep 18, 2023Observed: 6.02 ft at 6:20PM Sep 18, 2023Observed: 5.91 ft at 6:26PM Sep 18, 2023Observed: 5.8 ft at 6:34PM Sep 18, 2023Observed: 5.68 ft at 6:40PM Sep 18, 2023Observed: 5.57 ft at 6:48PM Sep 18, 2023Observed: 5.46 ft at 6:54PM Sep 18, 2023Observed: 5.36 ft at 7:00PM Sep 18, 2023Observed: 5.24 ft at 7:06PM Sep 18, 2023Observed: 5.14 ft at 7:12PM Sep 18, 2023Observed: 5.02 ft at 7:20PM Sep 18, 2023Observed: 4.91 ft at 7:26PM Sep 18, 2023Observed: 4.8 ft at 7:32PM Sep 18, 2023Observed: 4.69 ft at 7:40PM Sep 18, 2023Observed: 4.59 ft at 7:46PM Sep 18, 2023Observed: 4.49 ft at 7:52PM Sep 18, 2023Observed: 4.37 ft at 7:58PM Sep 18, 2023Observed: 4.26 ft at 8:04PM Sep 18, 2023Observed: 4.16 ft at 8:10PM Sep 18, 2023Observed: 4.05 ft at 8:18PM Sep 18, 2023Observed: 3.94 ft at 8:24PM Sep 18, 2023Observed: 3.83 ft at 8:30PM Sep 18, 2023Observed: 3.72 ft at 8:36PM Sep 18, 2023Observed: 3.61 ft at 8:42PM Sep 18, 2023Observed: 3.51 ft at 8:48PM Sep 18, 2023Observed: 3.4 ft at 8:54PM Sep 18, 2023Observed: 3.29 ft at 9:00PM Sep 18, 2023Observed: 3.18 ft at 9:06PM Sep 18, 2023Observed: 3.06 ft at 9:12PM Sep 18, 2023Observed: 2.95 ft at 9:18PM Sep 18, 2023Observed: 2.85 ft at 9:24PM Sep 18, 2023Observed: 2.73 ft at 9:30PM Sep 18, 2023Observed: 2.62 ft at 9:36PM Sep 18, 2023Observed: 2.5 ft at 9:42PM Sep 18, 2023Observed: 2.39 ft at 9:48PM Sep 18, 2023Observed: 2.29 ft at 9:54PM Sep 18, 2023Observed: 2.17 ft at 10:00PM Sep 18, 2023Observed: 2.07 ft at 10:04PM Sep 18, 2023Observed: 1.95 ft at 10:10PM Sep 18, 2023Observed: 1.84 ft at 10:16PM Sep 18, 2023Observed: 1.73 ft at 10:22PM Sep 18, 2023Observed: 1.62 ft at 10:28PM Sep 18, 2023Observed: 1.51 ft at 10:34PM Sep 18, 2023Observed: 1.4 ft at 10:40PM Sep 18, 2023Observed: 1.29 ft at 10:46PM Sep 18, 2023Observed: 1.18 ft at 10:54PM Sep 18, 2023Observed: 1.07 ft at 11:02PM Sep 18, 2023Observed: 0.97 ft at 11:14PM Sep 18, 2023Observed: 1.07 ft at 11:56PM Sep 18, 2023Observed: 1.18 ft at 12:04AM Sep 19, 2023Observed: 1.29 ft at 12:10AM Sep 19, 2023Observed: 1.4 ft at 12:16AM Sep 19, 2023Observed: 1.51 ft at 12:22AM Sep 19, 2023Observed: 1.61 ft at 12:26AM Sep 19, 2023Observed: 1.72 ft at 12:32AM Sep 19, 2023Observed: 1.84 ft at 12:36AM Sep 19, 2023Observed: 1.95 ft at 12:42AM Sep 19, 2023Observed: 2.06 ft at 12:46AM Sep 19, 2023Observed: 2.17 ft at 12:52AM Sep 19, 2023Observed: 2.28 ft at 12:56AM Sep 19, 2023Observed: 2.38 ft at 1:02AM Sep 19, 2023Observed: 2.5 ft at 1:08AM Sep 19, 2023Observed: 2.6 ft at 1:12AM Sep 19, 2023Observed: 2.71 ft at 1:18AM Sep 19, 2023Observed: 2.83 ft at 1:24AM Sep 19, 2023Observed: 2.94 ft at 1:30AM Sep 19, 2023Observed: 3.05 ft at 1:36AM Sep 19, 2023Observed: 3.15 ft at 1:42AM Sep 19, 2023Observed: 3.26 ft at 1:50AM Sep 19, 2023Observed: 3.37 ft at 1:56AM Sep 19, 2023Observed: 3.47 ft at 2:04AM Sep 19, 2023Observed: 3.59 ft at 2:12AM Sep 19, 2023Observed: 3.69 ft at 2:18AM Sep 19, 2023Observed: 3.8 ft at 2:26AM Sep 19, 2023Observed: 3.91 ft at 2:34AM Sep 19, 2023Observed: 4.01 ft at 2:42AM Sep 19, 2023Observed: 4.12 ft at 2:50AM Sep 19, 2023Observed: 4.22 ft at 2:58AM Sep 19, 2023Observed: 4.32 ft at 3:06AM Sep 19, 2023Observed: 4.43 ft at 3:14AM Sep 19, 2023Observed: 4.54 ft at 3:24AM Sep 19, 2023Observed: 4.64 ft at 3:32AM Sep 19, 2023Observed: 4.75 ft at 3:42AM Sep 19, 2023Observed: 4.85 ft at 3:52AM Sep 19, 2023Observed: 4.96 ft at 4:02AM Sep 19, 2023Observed: 5.06 ft at 4:12AM Sep 19, 2023Observed: 5.17 ft at 4:24AM Sep 19, 2023Observed: 5.27 ft at 4:36AM Sep 19, 2023Observed: 5.37 ft at 4:50AM Sep 19, 2023Observed: 5.48 ft at 5:10AM Sep 19, 2023Observed: 5.5 ft at 6:20AM Sep 19, 2023Observed: 5.39 ft at 6:36AM Sep 19, 2023Observed: 5.29 ft at 6:48AM Sep 19, 2023Observed: 5.19 ft at 6:58AM Sep 19, 2023Observed: 5.08 ft at 7:06AM Sep 19, 2023Observed: 4.97 ft at 7:14AM Sep 19, 2023Observed: 4.87 ft at 7:22AM Sep 19, 2023Observed: 4.76 ft at 7:30AM Sep 19, 2023Observed: 4.64 ft at 7:38AM Sep 19, 2023Observed: 4.53 ft at 7:46AM Sep 19, 2023Observed: 4.42 ft at 7:54AM Sep 19, 2023Observed: 4.31 ft at 8:02AM Sep 19, 2023Observed: 4.21 ft at 8:08AM Sep 19, 2023Observed: 4.1 ft at 8:16AM Sep 19, 2023Observed: 4 ft at 8:22AM Sep 19, 2023Observed: 3.89 ft at 8:30AM Sep 19, 2023Observed: 3.78 ft at 8:36AM Sep 19, 2023Observed: 3.67 ft at 8:44AM Sep 19, 2023Observed: 3.57 ft at 8:50AM Sep 19, 2023Observed: 3.45 ft at 8:58AM Sep 19, 2023Observed: 3.34 ft at 9:06AM Sep 19, 2023Observed: 3.23 ft at 9:14AM Sep 19, 2023Observed: 3.12 ft at 9:22AM Sep 19, 2023Observed: 3.01 ft at 9:30AM Sep 19, 2023Observed: 2.9 ft at 9:38AM Sep 19, 2023Observed: 2.8 ft at 9:46AM Sep 19, 2023Observed: 2.68 ft at 9:56AM Sep 19, 2023Observed: 2.58 ft at 10:04AM Sep 19, 2023Observed: 2.47 ft at 10:14AM Sep 19, 2023Observed: 2.37 ft at 10:26AM Sep 19, 2023Observed: 2.27 ft at 10:42AM Sep 19, 2023Observed: 2.38 ft at 11:26AM Sep 19, 2023Observed: 2.48 ft at 11:36AM Sep 19, 2023Observed: 2.59 ft at 11:42AM Sep 19, 2023Observed: 2.7 ft at 11:50AM Sep 19, 2023Observed: 2.8 ft at 11:56AM Sep 19, 2023Observed: 2.91 ft at 12:02PM Sep 19, 2023Observed: 3.01 ft at 12:08PM Sep 19, 2023Observed: 3.11 ft at 12:14PM Sep 19, 2023Observed: 3.22 ft at 12:20PM Sep 19, 2023Observed: 3.32 ft at 12:26PM Sep 19, 2023Observed: 3.42 ft at 12:32PM Sep 19, 2023Observed: 3.54 ft at 12:38PM Sep 19, 2023Observed: 3.65 ft at 12:46PM Sep 19, 2023Observed: 3.77 ft at 12:52PM Sep 19, 2023Observed: 3.88 ft at 1:00PM Sep 19, 2023Observed: 3.99 ft at 1:06PM Sep 19, 2023Observed: 4.11 ft at 1:14PM Sep 19, 2023Observed: 4.22 ft at 1:20PM Sep 19, 2023Observed: 4.33 ft at 1:28PM Sep 19, 2023Observed: 4.44 ft at 1:34PM Sep 19, 2023Observed: 4.55 ft at 1:42PM Sep 19, 2023Observed: 4.66 ft at 1:48PM Sep 19, 2023Observed: 4.78 ft at 1:56PM Sep 19, 2023Observed: 4.88 ft at 2:02PM Sep 19, 2023Observed: 4.99 ft at 2:10PM Sep 19, 2023Observed: 5.09 ft at 2:16PM Sep 19, 2023Observed: 5.2 ft at 2:24PM Sep 19, 2023Observed: 5.31 ft at 2:32PM Sep 19, 2023Observed: 5.41 ft at 2:40PM Sep 19, 2023Observed: 5.52 ft at 2:48PM Sep 19, 2023Observed: 5.63 ft at 2:56PM Sep 19, 2023Observed: 5.74 ft at 3:04PM Sep 19, 2023Observed: 5.85 ft at 3:14PM Sep 19, 2023Observed: 5.95 ft at 3:22PM Sep 19, 2023Observed: 6.06 ft at 3:32PM Sep 19, 2023Observed: 6.17 ft at 3:44PM Sep 19, 2023Observed: 6.27 ft at 3:54PM Sep 19, 2023Observed: 6.38 ft at 4:08PM Sep 19, 2023Observed: 6.48 ft at 4:20PM Sep 19, 2023Observed: 6.69 ft at 5:00PM Sep 19, 2023Observed: 6.58 ft at 6:18PM Sep 19, 2023Observed: 6.57 ft at 6:20PM Sep 19, 2023Observed: 6.46 ft at 6:30PM Sep 19, 2023Observed: 6.36 ft at 6:38PM Sep 19, 2023Observed: 6.25 ft at 6:46PM Sep 19, 2023Observed: 6.15 ft at 6:52PM Sep 19, 2023Observed: 6.04 ft at 7:00PM Sep 19, 2023Observed: 5.93 ft at 7:06PM Sep 19, 2023Observed: 5.83 ft at 7:14PM Sep 19, 2023Observed: 5.72 ft at 7:20PM Sep 19, 2023Observed: 5.62 ft at 7:26PM Sep 19, 2023Observed: 5.52 ft at 7:32PM Sep 19, 2023Observed: 5.41 ft at 7:38PM Sep 19, 2023Observed: 5.3 ft at 7:44PM Sep 19, 2023Observed: 5.19 ft at 7:52PM Sep 19, 2023Observed: 5.07 ft at 7:58PM Sep 19, 2023Observed: 4.96 ft at 8:06PM Sep 19, 2023Observed: 4.85 ft at 8:12PM Sep 19, 2023Observed: 4.73 ft at 8:20PM Sep 19, 2023Observed: 4.63 ft at 8:26PM Sep 19, 2023Observed: 4.52 ft at 8:34PM Sep 19, 2023Observed: 4.41 ft at 8:40PM Sep 19, 2023Observed: 4.31 ft at 8:46PM Sep 19, 2023Observed: 4.2 ft at 8:52PM Sep 19, 2023Observed: 4.08 ft at 9:00PM Sep 19, 2023Observed: 3.98 ft at 9:06PM Sep 19, 2023Observed: 3.87 ft at 9:12PM Sep 19, 2023Observed: 3.77 ft at 9:18PM Sep 19, 2023Observed: 3.67 ft at 9:24PM Sep 19, 2023Observed: 3.56 ft at 9:30PM Sep 19, 2023Observed: 3.45 ft at 9:36PM Sep 19, 2023Observed: 3.35 ft at 9:42PM Sep 19, 2023Observed: 3.24 ft at 9:48PM Sep 19, 2023Observed: 3.13 ft at 9:54PM Sep 19, 2023Observed: 3.02 ft at 10:00PM Sep 19, 2023Observed: 2.91 ft at 10:06PM Sep 19, 2023Observed: 2.8 ft at 10:12PM Sep 19, 2023Observed: 2.69 ft at 10:18PM Sep 19, 2023Observed: 2.58 ft at 10:24PM Sep 19, 2023Observed: 2.47 ft at 10:30PM Sep 19, 2023Observed: 2.35 ft at 10:36PM Sep 19, 2023Observed: 2.24 ft at 10:42PM Sep 19, 2023Observed: 2.13 ft at 10:48PM Sep 19, 2023Observed: 2.02 ft at 10:54PM Sep 19, 2023Observed: 1.91 ft at 11:00PM Sep 19, 2023Observed: 1.79 ft at 11:06PM Sep 19, 2023Observed: 1.68 ft at 11:12PM Sep 19, 2023Observed: 1.57 ft at 11:18PM Sep 19, 2023Observed: 1.46 ft at 11:24PM Sep 19, 2023Observed: 1.35 ft at 11:32PM Sep 19, 2023Observed: 1.25 ft at 11:40PM Sep 19, 2023Observed: 1.14 ft at 11:50PM Sep 19, 2023Observed: 1.04 ft at 12:04AM Sep 20, 2023Observed: 1.15 ft at 12:44AM Sep 20, 2023Observed: 1.25 ft at 12:52AM Sep 20, 2023Observed: 1.36 ft at 1:00AM Sep 20, 2023Observed: 1.46 ft at 1:06AM Sep 20, 2023Observed: 1.57 ft at 1:12AM Sep 20, 2023Observed: 1.69 ft at 1:18AM Sep 20, 2023Observed: 1.81 ft at 1:24AM Sep 20, 2023Observed: 1.91 ft at 1:30AM Sep 20, 2023Observed: 2.01 ft at 1:34AM Sep 20, 2023Observed: 2.13 ft at 1:40AM Sep 20, 2023Observed: 2.25 ft at 1:46AM Sep 20, 2023Observed: 2.36 ft at 1:52AM Sep 20, 2023Observed: 2.48 ft at 1:58AM Sep 20, 2023Observed: 2.59 ft at 2:04AM Sep 20, 2023Observed: 2.69 ft at 2:10AM Sep 20, 2023Observed: 2.8 ft at 2:16AM Sep 20, 2023Observed: 2.9 ft at 2:22AM Sep 20, 2023Observed: 3.01 ft at 2:28AM Sep 20, 2023Observed: 3.11 ft at 2:34AM Sep 20, 2023Observed: 3.22 ft at 2:42AM Sep 20, 2023Observed: 3.32 ft at 2:48AM Sep 20, 2023Observed: 3.43 ft at 2:56AM Sep 20, 2023Observed: 3.53 ft at 3:04AM Sep 20, 2023Observed: 3.64 ft at 3:12AM Sep 20, 2023Observed: 3.75 ft at 3:20AM Sep 20, 2023Observed: 3.86 ft at 3:28AM Sep 20, 2023Observed: 3.96 ft at 3:36AM Sep 20, 2023Observed: 4.07 ft at 3:44AM Sep 20, 2023Observed: 4.17 ft at 3:52AM Sep 20, 2023Observed: 4.28 ft at 4:00AM Sep 20, 2023Observed: 4.38 ft at 4:10AM Sep 20, 2023Observed: 4.49 ft at 4:18AM Sep 20, 2023Observed: 4.6 ft at 4:28AM Sep 20, 2023Observed: 4.71 ft at 4:38AM Sep 20, 2023Observed: 4.82 ft at 4:48AM Sep 20, 2023Observed: 4.92 ft at 5:00AM Sep 20, 2023Observed: 5.03 ft at 5:10AM Sep 20, 2023Observed: 5.13 ft at 5:22AM Sep 20, 2023Observed: 5.23 ft at 5:36AM Sep 20, 2023Observed: 5.34 ft at 5:54AM Sep 20, 2023Observed: 5.42 ft at 6:20AM Sep 20, 2023Observed: 5.32 ft at 7:34AM Sep 20, 2023Observed: 5.21 ft at 7:48AM Sep 20, 2023Observed: 5.11 ft at 7:58AM Sep 20, 2023Observed: 5.01 ft at 8:08AM Sep 20, 2023Observed: 4.91 ft at 8:16AM Sep 20, 2023Observed: 4.8 ft at 8:26AM Sep 20, 2023Observed: 4.69 ft at 8:34AM Sep 20, 2023Observed: 4.58 ft at 8:44AM Sep 20, 2023Observed: 4.48 ft at 8:52AM Sep 20, 2023Observed: 4.37 ft at 9:00AM Sep 20, 2023Observed: 4.26 ft at 9:08AM Sep 20, 2023Observed: 4.16 ft at 9:16AM Sep 20, 2023Observed: 4.06 ft at 9:24AM Sep 20, 2023Observed: 3.95 ft at 9:32AM Sep 20, 2023Observed: 3.84 ft at 9:40AM Sep 20, 2023Observed: 3.74 ft at 9:48AM Sep 20, 2023Observed: 3.63 ft at 9:56AM Sep 20, 2023Observed: 3.52 ft at 10:06AM Sep 20, 2023Observed: 3.42 ft at 10:16AM Sep 20, 2023Observed: 3.32 ft at 10:26AM Sep 20, 2023Observed: 3.21 ft at 10:38AM Sep 20, 2023Observed: 3.11 ft at 10:52AM Sep 20, 2023Observed: 3.01 ft at 11:10AM Sep 20, 2023Observed: 3.11 ft at 12:08PM Sep 20, 2023Observed: 3.21 ft at 12:18PM Sep 20, 2023Observed: 3.32 ft at 12:26PM Sep 20, 2023Observed: 3.43 ft at 12:34PM Sep 20, 2023Observed: 3.53 ft at 12:42PM Sep 20, 2023Observed: 3.64 ft at 12:50PM Sep 20, 2023Observed: 3.75 ft at 12:58PM Sep 20, 2023Observed: 3.85 ft at 1:04PM Sep 20, 2023Observed: 3.95 ft at 1:12PM Sep 20, 2023Observed: 4.06 ft at 1:18PM Sep 20, 2023Observed: 4.17 ft at 1:26PM Sep 20, 2023Observed: 4.28 ft at 1:32PM Sep 20, 2023Observed: 4.39 ft at 1:40PM Sep 20, 2023Observed: 4.5 ft at 1:46PM Sep 20, 2023Observed: 4.61 ft at 1:54PM Sep 20, 2023Observed: 4.72 ft at 2:00PM Sep 20, 2023Observed: 4.83 ft at 2:06PM Sep 20, 2023Observed: 4.94 ft at 2:14PM Sep 20, 2023Observed: 5.05 ft at 2:20PM Sep 20, 2023Observed: 5.16 ft at 2:28PM Sep 20, 2023Observed: 5.26 ft at 2:34PM Sep 20, 2023Observed: 5.37 ft at 2:42PM Sep 20, 2023Observed: 5.48 ft at 2:50PM Sep 20, 2023Observed: 5.59 ft at 2:58PM Sep 20, 2023Observed: 5.7 ft at 3:06PM Sep 20, 2023Observed: 5.81 ft at 3:14PM Sep 20, 2023Observed: 5.91 ft at 3:22PM Sep 20, 2023Observed: 6.02 ft at 3:30PM Sep 20, 2023Observed: 6.12 ft at 3:40PM Sep 20, 2023Observed: 6.22 ft at 3:48PM Sep 20, 2023Observed: 6.33 ft at 3:58PM Sep 20, 2023Observed: 6.43 ft at 4:10PM Sep 20, 2023Observed: 6.54 ft at 4:20PM Sep 20, 2023Observed: 6.64 ft at 4:32PM Sep 20, 2023Observed: 6.74 ft at 4:46PM Sep 20, 2023Observed: 6.84 ft at 5:00PM Sep 20, 2023Observed: 6.94 ft at 5:18PM Sep 20, 2023Observed: 7.05 ft at 5:44PM Sep 20, 2023Highest Observation: 7.08 ft at 6:20PM Sep 20, 2023Observed: 6.97 ft at 6:42PM Sep 20, 2023Observed: 6.86 ft at 6:58PM Sep 20, 2023Observed: 6.76 ft at 7:08PM Sep 20, 2023Observed: 6.65 ft at 7:16PM Sep 20, 2023Observed: 6.54 ft at 7:24PM Sep 20, 2023Observed: 6.43 ft at 7:32PM Sep 20, 2023Observed: 6.32 ft at 7:40PM Sep 20, 2023Observed: 6.21 ft at 7:48PM Sep 20, 2023Observed: 6.1 ft at 7:54PM Sep 20, 2023Observed: 6 ft at 8:02PM Sep 20, 2023Observed: 5.89 ft at 8:08PM Sep 20, 2023Observed: 5.78 ft at 8:16PM Sep 20, 2023Observed: 5.68 ft at 8:22PM Sep 20, 2023Observed: 5.57 ft at 8:30PM Sep 20, 2023Observed: 5.46 ft at 8:36PM Sep 20, 2023Observed: 5.35 ft at 8:42PM Sep 20, 2023Observed: 5.24 ft at 8:48PM Sep 20, 2023Observed: 5.13 ft at 8:56PM Sep 20, 2023Observed: 5.02 ft at 9:02PM Sep 20, 2023Observed: 4.91 ft at 9:10PM Sep 20, 2023Observed: 4.79 ft at 9:16PM Sep 20, 2023Observed: 4.69 ft at 9:24PM Sep 20, 2023Observed: 4.57 ft at 9:30PM Sep 20, 2023Observed: 4.46 ft at 9:38PM Sep 20, 2023Observed: 4.36 ft at 9:44PM Sep 20, 2023Observed: 4.25 ft at 9:52PM Sep 20, 2023Observed: 4.14 ft at 9:58PM Sep 20, 2023Observed: 4.02 ft at 10:06PM Sep 20, 2023Observed: 3.91 ft at 10:12PM Sep 20, 2023Observed: 3.79 ft at 10:20PM Sep 20, 2023Observed: 3.69 ft at 10:26PM Sep 20, 2023Observed: 3.58 ft at 10:32PM Sep 20, 2023Observed: 3.48 ft at 10:38PM Sep 20, 2023Observed: 3.37 ft at 10:44PM Sep 20, 2023Observed: 3.26 ft at 10:50PM Sep 20, 2023Observed: 3.15 ft at 10:56PM Sep 20, 2023Observed: 3.03 ft at 11:04PM Sep 20, 2023Observed: 2.92 ft at 11:10PM Sep 20, 2023Observed: 2.81 ft at 11:16PM Sep 20, 2023Observed: 2.7 ft at 11:24PM Sep 20, 2023Observed: 2.6 ft at 11:30PM Sep 20, 2023Observed: 2.49 ft at 11:36PM Sep 20, 2023Observed: 2.37 ft at 11:42PM Sep 20, 2023Observed: 2.27 ft at 11:48PM Sep 20, 2023Observed: 2.16 ft at 11:54PM Sep 20, 2023Observed: 2.06 ft at 12:00AM Sep 21, 2023Observed: 1.94 ft at 12:08AM Sep 21, 2023Observed: 1.84 ft at 12:14AM Sep 21, 2023Observed: 1.73 ft at 12:22AM Sep 21, 2023Observed: 1.63 ft at 12:30AM Sep 21, 2023Observed: 1.53 ft at 12:38AM Sep 21, 2023Observed: 1.42 ft at 12:50AM Sep 21, 2023Observed: 1.32 ft at 1:08AM Sep 21, 2023Observed: 1.42 ft at 1:44AM Sep 21, 2023Observed: 1.52 ft at 1:54AM Sep 21, 2023Observed: 1.63 ft at 2:04AM Sep 21, 2023Observed: 1.73 ft at 2:12AM Sep 21, 2023Observed: 1.84 ft at 2:18AM Sep 21, 2023Observed: 1.96 ft at 2:26AM Sep 21, 2023Observed: 2.06 ft at 2:32AM Sep 21, 2023Observed: 2.18 ft at 2:38AM Sep 21, 2023Observed: 2.29 ft at 2:44AM Sep 21, 2023Observed: 2.4 ft at 2:50AM Sep 21, 2023Observed: 2.51 ft at 2:56AM Sep 21, 2023Observed: 2.62 ft at 3:02AM Sep 21, 2023Observed: 2.73 ft at 3:08AM Sep 21, 2023Observed: 2.84 ft at 3:14AM Sep 21, 2023Observed: 2.96 ft at 3:22AM Sep 21, 2023Observed: 3.07 ft at 3:28AM Sep 21, 2023Observed: 3.17 ft at 3:36AM Sep 21, 2023Observed: 3.29 ft at 3:44AM Sep 21, 2023Observed: 3.39 ft at 3:52AM Sep 21, 2023Observed: 3.5 ft at 4:00AM Sep 21, 2023Observed: 3.6 ft at 4:08AM Sep 21, 2023Observed: 3.7 ft at 4:16AM Sep 21, 2023Observed: 3.8 ft at 4:24AM Sep 21, 2023Observed: 3.92 ft at 4:32AM Sep 21, 2023Observed: 4.03 ft at 4:42AM Sep 21, 2023Observed: 4.13 ft at 4:50AM Sep 21, 2023Observed: 4.24 ft at 5:00AM Sep 21, 2023Observed: 4.34 ft at 5:08AM Sep 21, 2023Observed: 4.45 ft at 5:18AM Sep 21, 2023Observed: 4.55 ft at 5:28AM Sep 21, 2023Observed: 4.66 ft at 5:38AM Sep 21, 2023Observed: 4.77 ft at 5:50AM Sep 21, 2023Observed: 4.87 ft at 6:00AM Sep 21, 2023Observed: 4.97 ft at 6:12AM Sep 21, 2023Observed: 5.03 ft at 6:20AM Sep 21, 2023Observed: 5.13 ft at 6:34AM Sep 21, 2023Observed: 5.24 ft at 6:50AM Sep 21, 2023Observed: 5.34 ft at 7:14AM Sep 21, 2023Napa CountyNBDC1(plotting HGIRR) Graph Created (6:00PM Sep 22, 2023)ObservedLatest observed value: 5.34 ft at 7:14 AM PDT 21-Sep-2023.
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NOTE: Graphical forecasts are not available for the Napa River at Brazos Drawbridge. During times of high water, forecast crest information can be found in the text products.
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Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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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: 38.209200° N, Longitude: 122.306700° 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  
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