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| Latitude: 39.24º N | Longitude: 121.99º W | Elevation: 62 Feet | |
| Location: Colusa County in California | River Group: Upper Sacramento | ||
| Issuance Time: | Feb 20 2019 at 1:49 PM PST | Next Issuance: | Feb 21 2019 at 9:00 AM PST |
| Monitor Stage: 61.8 Feet | Flood Stage: 71.0 Feet | Danger Stage: 72.0 Feet |
| Colusa Weir Location - Sacramento River Channel Stage/Flow (Estimated) |
| 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 | |||
2017 |
43,300 |
68.68 |
Feb 19, 2017 |
2016 |
23,033 |
67.14 |
Mar 14, 2016 |
2015 |
21,147 |
66.96 |
Dec 13, 2014 |
2014 |
0**** |
-- |
-- |
2013 |
13,400 |
66.10 |
Dec 3, 2012 |
| Historical High Stage/Flow Events (Period of Record - January 1911 to Present) | |||
1940 |
-- |
70.60* |
Mar 1, 1940 |
1983 |
81,500 |
68.96** |
Mar 4, 1983 |
1997 |
71,000 |
68.85 |
Jan 3, 1997 |
1958 |
83,600 |
68.80*** |
Feb 21, 1958 |
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 | |||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ016) |
| Tonight: Mostly cloudy. Lows 32 to 40. Northwest winds up to 10 mph. Thursday: Partly cloudy in the morning then clearing. Breezy. Highs around 54. Northwest winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Thursday Night: Clear. Lows 31 to 37. Northwest winds 10 to 20 mph. Friday: Areas of frost in the morning. Mostly sunny. Highs around 56. Northwest winds up to 10 mph. Friday Night: Mostly clear. Lows around 36. Light winds. Saturday: Partly cloudy. Highs around 54. Saturday Night: Mostly cloudy with a chance of rain. Lows around 42. Sunday: Mostly cloudy with a chance of rain showers. Highs around 55. Sunday Night: Mostly cloudy with a chance of rain. Lows 40 to 46. Monday through Tuesday: Rain likely. Highs around 55. Lows 40 to 46. Tuesday Night: Mostly cloudy with a chance of rain. Lows around 45. Wednesday: Mostly cloudy with a slight chance of rain. Highs around 62. |
| Impacts - E19 Information | |
| 61.8 Feet | Colusa Weir crest elevation. Overflow begins into the Sutter Bypass. |
| 74.8 Feet | Stages above 74.8 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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