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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: | Oct 20 2018 at 8:30 AM PDT | Next Issuance: | Oct 21 2018 at 9:00 AM PDT |
| 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: Clear. Lows 46 to 56. Light winds. Sunday: Sunny. Highs around 83. Light winds. Sunday Night: Clear. Lows 45 to 55. South winds up to 10 mph. Monday: Sunny. Highs around 81. Light winds. Monday Night: Clear. Lows 45 to 55. Light winds. Tuesday: Mostly sunny. Highs around 77. Tuesday Night: Mostly clear. Lows 44 to 54. Wednesday: Partly cloudy. Highs around 77. Wednesday Night: Mostly cloudy. Lows 47 to 57. Thursday: Partly cloudy. Highs around 78. Thursday Night: Mostly cloudy. Lows 48 to 58. Friday: Partly cloudy. Highs around 80. Friday Night and Saturday: Mostly clear. Lows 49 to 59. Highs around 81. |
| 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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