| Back to Obs River Map | Start of River Group | | | Next River Point >>> | Printer Version |
| 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 |
|||
Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months. |
|||
|
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years | |||
2025 |
1,410 |
18.17 |
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: Mostly cloudy in the morning then partly cloudy. Highs in the upper 70s to mid 80s. Tonight: Clear. Lows in the mid to upper 40s. Saturday: Sunny. Highs in the mid 70s to mid 80s. Saturday Night: Clear. Lows in the mid 40s to around 50. Sunday: Sunny. Highs in the lower to mid 80s. Sunday Night: Partly cloudy in the evening then mostly cloudy. Lows in the 40s. Monday: Mostly cloudy. Highs in the lower to mid 70s. Monday Night: Cloudy. A 20 percent chance of rain after midnight. Lows in the lower 50s. Tuesday: Mostly cloudy with a 40 percent chance of rain. Highs in the lower to mid 60s. Tuesday Night: Mostly cloudy with a 40 percent chance of rain. Lows in the upper 40s. Wednesday: Partly cloudy with a 20 percent chance of rain. Highs in the mid 60s. Wednesday Night: Partly cloudy in the evening then mostly cloudy. A 20 percent chance of rain. Lows in the mid 40s. Thursday: Mostly cloudy in the morning then sunny. A 20 percent chance of rain. Highs in the mid to upper 60s. |
| 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. |
Follow us on X
Follow us on Facebook
Follow us on YouTube
NWS RSS Feed