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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: Partly cloudy in the evening then cloudy. Patchy drizzle after midnight. Lows in the mid 40s to around 50. Southwest winds around 15 mph in the evening. Saturday: Cloudy in the morning then sunny. Highs in the mid 70s to lower 80s except around 70 cooler slopes. Southwest winds 15 to 25 mph in the afternoon. Saturday Night: Mostly clear in the evening then partly cloudy. Lows in the mid 40s to lower 50s. Southwest winds around 15 mph in the evening. Sunday: Areas of low clouds and fog in the morning then sunny. Highs in the 80s to around 90 except the mid to upper 70s cooler slopes. Southwest winds around 15 mph in the afternoon. Sunday Night: Mostly clear. Lows around 50. Southwest winds around 15 mph in the evening. Monday: Sunny. Highs in the 80s to lower 90s. Monday Night: Mostly clear. Lows around 50. Tuesday: Sunny. Highs in the mid 80s to mid 90s. Tuesday Night: Clear. Lows in the lower 50s. Wednesday: Sunny. A 20 percent chance of showers in the morning. Highs in the upper 80s to mid 90s. Wednesday Night: Mostly clear. Lows in the lower 50s. Thursday: Sunny. Highs in the upper 80s to mid 90s. Thursday Night: Clear. Lows in the lower 50s. Friday: Sunny. Highs in the 80s to lower 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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