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| Latitude: 35.63º N | Longitude: 120.69º W | Elevation: 700 Feet | |
| Location: San Luis Obispo County in California | River Group: Central Coast | ||
| Monitor Stage: 23.0 Feet | Flood Stage: 29.0 Feet |
| Observed Data Credit | |
 | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
|||
|
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years | |||
2025 |
4,240 |
20.91 |
Feb 13, 2025 |
2024 |
6,900 |
22.95 |
Feb 19, 2024 |
2023 |
25,600 |
32.24 |
Jan 9, 2023 |
2022 |
3,130 |
19.62 |
Dec 23, 2021 |
2021 |
1,890 |
18.30 |
Jan 29, 2021 |
| Historical High Stage/Flow Events (Period of Record - Oct 1939-Sep 1965 and Oct 1969 to present) - Ranked by Flow | |||
1995 |
28,400 |
22.99 |
Mar 10, 1995 |
1969* |
28,000 |
23.80 |
Jan 25, 1969
|
2023 |
25,600 |
32.24 |
Jan 9, 2023 |
1980 |
18,500 |
15.99 |
Feb 16, 1980 |
| 2005 |
17,400 |
17.73 |
Dec 31, 2004 |
| 1983 |
16,400 |
15.90 |
Dec 22, 1982 |
| * Occurred outside period of record | |||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ343) |
| Tonight: Showers with a slight chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid to upper 40s. Thursday: Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s to around 70. Thursday Night: Mostly cloudy. A 20 percent chance of showers in the evening. Lows in the lower to mid 40s. Friday: Mostly cloudy in the morning then sunny. Highs in the upper 60s to mid 70s. Friday Night: Mostly clear. Lows in the mid 40s. Saturday: Sunny. Highs in the mid 70s. Saturday Night: Mostly clear. Lows in the mid 40s. Sunday: Partly cloudy. Highs in the mid 70s to around 80. Sunday Night: Mostly clear. Lows in the mid 40s. Monday: Partly cloudy in the morning then sunny. Highs in the mid to upper 70s. Monday Night: Mostly clear. Lows in the lower to mid 40s. Tuesday: Partly cloudy. Highs in the mid 70s. Tuesday Night: Mostly clear in the evening then partly cloudy. Lows in the lower to mid 40s. Wednesday: Mostly cloudy in the morning then partly cloudy. Highs in the upper 60s to mid 70s. |
| Flood Impacts | |
| 31.0 Feet | Flooding along reach of river including in and around paso robles. Flooding threatens paso robles wastewater treatment plant and downtown. |
| 29.0 Feet | Flooding in and around atascadero. Backs up atascadero creek into river gardens neighborhood, floods highway 41. Erosion threats along entire reach, threatens homes on banks, agricultural land, low-lying areas south of highway 41 bridge. |
| 23.0 Feet | Halcon Road near Atascadero floods and washes out. |
| 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 Los Angeles-Oxnard 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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