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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: Sunny. Highs around 98. Southeast winds up to 10 mph. Tonight: Clear. Lows 62 to 70. Southwest winds up to 10 mph in the evening becoming light. Wednesday: Sunny. Highs around 98. Southeast winds up to 10 mph. Wednesday Night: Clear. Lows 62 to 70. Southeast winds up to 10 mph. Thursday: Mostly sunny. Highs around 93. Southeast winds up to 10 mph. Thursday Night: Mostly clear. Lows around 61. Independence Day: Sunny. Highs around 89. Friday Night through Monday: Clear. Lows 56 to 64. Highs around 91. |
| 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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