| Back to Obs River Map | <<< Previous River Point | | | Next River Point >>> | Printer Version |
| Latitude: 39.34º N | Longitude: 122.02º W | Elevation: 76 Feet | |||
| Location: Colusa County in California | Bulletin Group: Upper Sacramento | River Group: Upper Sacramento | |||
| Action/Monitor: 76.2 Feet | Minor Flood: 83.8 Feet | Moderate Flood: 87.6 Feet | Major Flood: 88.6 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 | |||
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. |
| Official 7 Day National Weather Service Forecast (CAZ016) |
| Today: Sunny. Highs 77 to 83. Southeast winds up to 10 mph. Tonight: Clear. Lows around 53. Southeast winds up to 10 mph shifting to the north after midnight. Monday: Sunny. Highs 79 to 84. Northwest winds 10 to 15 mph with gusts to around 25 mph. Monday Night: Clear. Lows 51 to 56. North winds up to 10 mph. Tuesday: Sunny. Highs 80 to 85. North winds up to 10 mph shifting to the south in the afternoon. Tuesday Night: Clear. Lows around 52. Wednesday: Sunny. Highs 77 to 83. Wednesday Night: Mostly clear. Lows around 51. Thursday through Friday: Partly cloudy. Highs 69 to 79. Lows around 50. Friday Night and Saturday: Mostly clear. Lows around 48. Highs 69 to 75. |
| 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. |
Follow us on X
Follow us on Facebook
Follow us on YouTube
NWS RSS Feed