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| Latitude: 39.24º N | Longitude: 121.99º W | Elevation: 62 Feet | |
| Location: Colusa County in California | River Group: Upper Sacramento | ||
| Monitor Stage: 60.9 Feet | Flood Stage: 70.1 Feet | Danger Stage: 71.1 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 | |||
2021 |
0**** |
-- |
-- |
2020 |
0**** |
-- |
-- |
2019 |
44,300 |
68.74 |
Feb 16, 2019 |
2018 |
5,430 |
64.80 |
Apr 8, 2018 |
2017 |
43,300 |
68.68 |
Feb 19, 2017 |
| Historical High Stage/Flow Events (Period of Record - January 1911 to Present) - Ranked by Flow | |||
1940 |
-- |
70.60* |
Mar 1, 1940 |
1958 |
83,600 |
68.80*** |
Feb 21, 1958 |
1983 |
81,500 |
68.96** |
Mar 4, 1983 |
1997 |
71,000 |
68.85 |
Jan 3, 1997 |
1965 |
77,400 |
68.50 |
Jan 7, 1965 |
1943 |
-- |
68.30 |
Jan 24, 1943 |
| * Peak prior to regulation by Shasta Dam | |||
| ** Peak after regulation by Shasta Dam | |||
| *** Peak also occurred on Feb 26th | |||
| **** No weir flow observed during the entire water year | |||
| ***** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.9 ft and must be applied to all data before date to convert to NAVD88 | |||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ016) |
| Today: Mostly sunny in the morning then becoming partly cloudy. Widespread frost early in the morning. Highs 56 to 61. North winds up to 10 mph shifting to the south in the afternoon. Tonight: Mostly cloudy. A chance of rain after midnight. Breezy. Lows around 43. Southeast winds 10 to 25 mph with gusts to around 35 mph. Tuesday: Rain showers in the morning, then a chance of rain showers in the afternoon. Windy. Highs 48 to 53. Southeast winds 15 to 30 mph with gusts to around 45 mph. Tuesday Night: Rain showers. Breezy. Lows around 43. Southeast winds 10 to 25 mph with gusts to around 35 mph. Wednesday: Rain showers in the morning, then rain showers and a slight chance of thunderstorms in the afternoon. Breezy. Highs 48 to 53. Southeast winds 10 to 25 mph decreasing to 10 to 15 mph in the afternoon. Wednesday Night: Mostly cloudy with a chance of rain showers. Lows 34 to 39. Thursday: Mostly cloudy. Not as cool. Highs 56 to 62. Thursday Night: Partly cloudy. Lows around 42. Friday: Mostly cloudy. Highs 55 to 60. Friday Night: Partly cloudy with a slight chance of rain. Lows around 43. Saturday through Sunday: Mostly cloudy with a chance of rain. Highs 57 to 63. Lows 40 to 46. |
| Impacts - E19 Information | |
| 60.9 Feet | Colusa Weir crest elevation. Overflow begins into the Sutter Bypass. |
| 73.9 Feet | Stages above 73.9 feet result in major flooding. Top of levee. |
| 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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