| 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) |
| Tonight: Mostly clear. Lows in the mid 30s to around 40. Saturday: Sunny. Highs in the lower 70s. Saturday Night: Mostly clear. Lows in the upper 30s to mid 40s. Sunday: Sunny. Highs in the mid 70s to around 80. Sunday Night: Clear. Lows in the lower to mid 40s. Monday: Sunny. Highs in the lower to mid 70s. Monday Night: Clear. Lows in the mid 40s. Tuesday: Partly cloudy in the morning then sunny. Highs in the lower to mid 70s. Tuesday Night: Mostly clear. Lows in the mid 40s. Wednesday: Sunny. Highs in the mid to upper 70s. Wednesday Night: Mostly clear. Lows in the mid 40s to around 50. Thursday: Sunny. Highs around 80. Thursday Night: Mostly clear in the evening then partly cloudy. Lows in the mid to upper 40s. Friday: Sunny. Highs around 80. |
| 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