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| Latitude: 39.34º N | Longitude: 122.02º W | Elevation: 76 Feet | |||
| Location: Colusa County in California | Bulletin Group: Upper Sacramento | River Group: Upper Sacramento | |||
| Monitor Stage: 76.2 Feet | Flood Stage: 83.8 Feet | Danger Stage: 84.8 Feet |
| Observed Data Credit | |
 | Raw streamflow data is provided by the California Department of Water Resources. |
Historical Stage/Flow Data |
|||
|
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years | |||
2023* |
4,380 |
78.18 |
Mar 16, 2023 |
2022* |
0**** |
-- |
-- |
2021* |
0**** |
-- |
-- |
2020* |
0**** | -- |
-- |
2019* |
8,410 |
79.75 |
Mar 1, 2019 |
| Historical High Stage/Flow Events (Period of Record - Jan 1931 to Present)** - Ranked by Flow | |||
1942 |
53,900 |
83.80 |
Feb 7, 1942 |
1958* |
45,300 |
84.65*** |
Feb 20, 1958 |
1958* |
44,200 |
84.62*** |
Feb 26, 1958
|
1983* |
35,300 |
83.71 |
Mar 3, 1983 |
| 1956* | 29,900 | 83.15 | Jan 16, 1956 |
| * Discharge affected by regulation or diversion | |||
| ** Peak flow before regulation by Shasta Dam began in 1943 | |||
| *** Old datum. The difference is -2.85 ft and must be applied to data to convert from NGVD29 to NAVD88 | |||
| **** No weir flow observed during the entire water year | |||
| ***** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.6 ft and must be applied to all data before date to convert to NAVD88 | |||
| Location Photographs | ||
| ESRI™ Locator Map |
| Impacts - E19 Information | |
| 88.6 Feet | Stages above 89.2 feet result in major flooding of areas outside the levees. Top of levee. |
| 76.2 Feet | Moulton Weir crest elevation. Overflow begins into butte sink. River Road is flooded and closed. |
| Official 7 Day National Weather Service Forecast (CAZ016) |
| Today: Partly cloudy. Highs around 97. Southeast winds up to 15 mph. Tonight: Clear, cooler. Lows 57 to 67. Southeast winds up to 10 mph. Gusts up to 20 mph in the evening. Sunday: Sunny. Highs around 93. Light winds becoming south up to 10 mph in the afternoon. Sunday Night: Clear. Lows 57 to 67. Southeast winds up to 10 mph in the evening becoming light. Monday: Sunny. Highs around 95. Light winds becoming south up to 10 mph in the afternoon. Monday Night: Clear. Lows 58 to 66. Tuesday: Mostly sunny. Highs around 92. Tuesday Night and Wednesday: Mostly clear. Lows 55 to 63. Highs 85 to 92. Wednesday Night through Friday: Clear. Lows 58 to 66. Highs around 87. |
| Product Disclaimer |
This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only. |
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