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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: Sunny. Highs 91 to 100 except the mid 80s cooler slopes. Southwest winds around 15 mph in the afternoon. Tonight: Mostly clear except for patchy low clouds and fog after midnight. Lows in the lower 50s. Southwest winds around 15 mph in the evening. Wednesday: Areas of low clouds and fog in the morning then sunny. Highs in the upper 70s and 80s. Southwest winds around 15 mph in the afternoon. Wednesday Night: Mostly clear except for patchy low clouds and fog after midnight. Lows around 50. Southwest winds around 15 mph in the evening. Thursday: Low clouds and fog in the morning then sunny. Highs in the 70s to around 80. South winds around 15 mph in the afternoon. Thursday Night: Mostly clear in the evening then low clouds and fog. Lows around 50. juneteenth: Low clouds and fog in the morning then sunny. Highs in the upper 60s to mid 70s. Friday Night: Mostly clear in the evening then partly cloudy. Lows around 50. Saturday: Mostly cloudy in the morning then sunny. Highs in the 70s to around 80. Saturday Night: Mostly clear. Lows in the upper 40s. Sunday: Partly cloudy in the morning then sunny. Highs in the mid 70s to mid 80s. Sunday Night: Mostly clear. Lows around 50. Monday: Partly cloudy in the morning then sunny. Highs in the mid 80s to around 90 except around 80 cooler slopes. |
| 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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