| SACRAMENTO RIVER - MOULTON WEIR (CLSC1) | ||
| Latitude: 39.34º N | Longitude: 122.02º W | Elevation: 76 Feet |
| Location: Colusa County in CA | ||
| River Group: Upper Sacramento | ||
| Forecast Issued: | Mar 23 2025 at 8:52 AM PDT | Next Issuance: | Mar 24 2025 at 9:00 AM PDT |
| Action/ Monitor: 76.2 Ft | Minor Flood: 83.8 Ft | Moderate Flood: 87.6 Ft | Major Flood: 88.6 Ft |
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Historical Stage/Flow Data |
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|
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 |
| 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. |