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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) |
| Today: Cloudy with patchy drizzle in the morning, becoming partly cloudy in the afternoon. Highs in the mid 60s to lower 70s. Northwest wind 15 to 20 mph in the afternoon. Tonight: Mostly clear in the evening, becoming partly cloudy. Lows in the lower to mid 40s. Northwest wind 15 to 25 mph. Wednesday: Mostly cloudy in the morning, becoming partly cloudy with a slight chance of rain in the afternoon. Highs in the 60s. Chance of precipitation 20 percent. Wednesday Night: Partly cloudy with a slight chance of rain in the evening, becoming mostly cloudy after midnight. Lows in the mid 40s. Chance of precipitation 20 percent. Thursday: Low clouds and fog in the morning then partly cloudy. A slight chance of rain in the afternoon. Highs in the lower to mid 60s. Chance of precipitation 20 percent. Thursday Night: Mostly clear in the evening, becoming partly cloudy. Lows in the mid 40s. Friday: Partly cloudy in the morning, then sunny. Highs in the 70s. Friday Night: Clear. Lows in the mid to upper 40s. Saturday: Sunny. Highs in the upper 70s to mid 80s. Saturday Night: Clear. Lows in the mid to upper 40s. Sunday: Sunny. Highs in the 80s to around 90. Sunday Night: Clear. Lows in the lower 50s. Monday: Sunny. Highs in the mid 80s to mid 90s. |
| 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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