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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 | |||
2022* |
0**** |
-- |
-- |
2021* |
0**** |
-- |
-- |
2020* |
0**** | -- |
-- |
2019* |
8,410 |
79.75 |
Mar 1, 2019 |
2018* |
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 |
| Impacts - E19 Information | |
| 76.2 Feet | Moulton Weir crest elevation. Overflow begins into Butte Sink. River Road is flooded and closed. |
| 88.6 Feet | Stages above 88.6 feet result in major flooding of areas outside the levees. Top of levee. |
| Official 7 Day National Weather Service Forecast (CAZ016) |
| Tonight: Clear in the evening then becoming partly cloudy. Lows around 56. Southeast winds up to 10 mph. Saturday: Mostly sunny. Highs 79 to 84. Southeast winds up to 10 mph. Saturday Night: Clear. Lows around 56. Southwest winds up to 10 mph shifting to the north around 10 mph after midnight. Sunday: Sunny. Highs 81 to 86. Northwest winds 10 to 15 mph. Sunday Night: Clear. Lows 53 to 59. Northwest winds up to 10 mph. Monday: Mostly sunny. Highs 81 to 87. Monday Night: Mostly clear. Lows around 54. Tuesday through Wednesday Night: Mostly clear. Highs 71 to 79. Lows around 53. Thursday: Partly cloudy. Highs 66 to 72. Thursday Night: Mostly cloudy with a slight chance of rain showers. Lows around 51. Friday: Partly cloudy with a slight chance of rain showers. Highs 68 to 74. |
| 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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