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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 | |||
| Action/Monitor: 76.2 Feet | Minor Flood: 83.8 Feet | Moderate Flood: 87.6 Feet | Major Flood: 88.6 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 | |||
2024* |
3,940 |
78.05 |
Feb 21, 2024 |
2023* |
4,380 |
78.18 |
Mar 16, 2023 |
2022* |
0**** |
-- |
-- |
2021* |
0**** |
-- |
-- |
2020* |
0**** | -- |
-- |
| 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 |
| Flood Impacts | |
| 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: Mostly sunny. Highs 75 to 80. North winds up to 10 mph. Tonight: Clear. Lows 50 to 56. Light winds. Thursday: Sunny. Highs 81 to 87. Northwest winds up to 10 mph. Thursday Night: Mostly cloudy. Lows around 58. Southeast winds up to 10 mph shifting to the north after midnight. Friday: Mostly sunny. Highs 83 to 88. Northwest winds up to 10 mph with gusts to around 20 mph. Friday Night: Partly cloudy. Lows around 56. Saturday: Mostly sunny. Highs 74 to 79. Saturday Night: Mostly clear. Lows 51 to 57. Sunday and Sunday Night: Clear, breezy. Highs 76 to 81. Lows 51 to 59. Monday through Tuesday: Clear. Highs 85 to 93. Lows 54 to 64. |
| 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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