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| Latitude: 38.36º N | Longitude: 121.34º W | Elevation: 5 Feet | |||
| Location: Sacramento County in California | Bulletin Group: San Joaquin | River Group: North San Joaquin | |||
| Monitor Stage: 38.5 Feet | Flood Stage: 44.5 Feet |
| Please Note: | On June 20, 2023, the datum was changed from USED to NAVD88 (+2.46 feet). As a result the monitor stage was updated to 38.5 ft and flood stage was updated to 44.5 ft. |
| 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* |
7,790 |
38.99 |
Dec 24, 2021 |
2021* |
3,000 |
32.00 |
Jan 29, 2021 |
2020* |
6,890 |
38.18 |
Apr 6, 2020 |
2019* |
13,200 |
42.04 |
Feb 15, 2019 |
2018* |
24,200 |
42.92 |
Mar 23, 2018 |
| Historical High Stage/Flow Events (Period of Record - Jan 1952 to Present) - Ranked by Flow | |||
1997* |
-- |
48.50 |
Jan 02, 1997 |
1986 |
-- |
47.10 |
Feb 18, 1986 |
2006* |
36,209 |
47.02 |
Jan 01, 2006 |
1998* |
-- |
46.56 |
Feb 04, 1998 |
| * Discharge affected by regulation or diversion | |||
| ** Dataum changed from USED to NAVD88 on 06/20/2023. The difference is +2.46 ft and must be applied to all data before date to convert to NAVD88. | |||
| Location Photographs | ||
| ESRI™ Locator Map |
| Impacts - E19 Information | |
| 41.5 Feet | The Cosumnes River overflow channel begins to flow. |
| 46.5 Feet | At approximately 44,000 cfs, water exits the river upstream and downstream of Highway 99. Dillard Road is flooded from Highway 99 to Riley Road. Twin Cities Road is flooded from Hardesty Lane to Christensen Road. |
| Official 7 Day National Weather Service Forecast (CAZ017) |
| Tonight: Mostly cloudy in the evening then clearing. Areas of frost and patchy fog late in the night. Lows 32 to 42. Light winds. Monday: Areas of frost and patchy fog in the morning. Mostly sunny. Highs 57 to 63. Light winds. Monday Night: Clear. Lows 33 to 43. Light winds. Tuesday: Patchy frost in the morning. Mostly sunny. Highs 58 to 64. North winds up to 10 mph with gusts to around 20 mph. Tuesday Night: Clear. Lows 32 to 42. North winds up to 10 mph. Wednesday: Mostly sunny. Patchy frost. Highs around 60. Wednesday Night: Partly cloudy. Lows 34 to 43. Thursday through Friday Night: Mostly cloudy. Highs 57 to 64. Lows 34 to 44. Saturday: Mostly sunny. Highs 59 to 65. Saturday Night: Partly cloudy with a slight chance of rain showers. Lows 35 to 45. Sunday: Mostly cloudy with a chance of rain showers. Highs around 60. |
| 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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