| 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 |
|||
|
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: Mostly cloudy. A 20 percent chance of showers after midnight. Lows around 50. Saturday: A slight chance of showers in the morning, then showers likely in the afternoon. Highs in the lower to mid 60s. Chance of precipitation 60 percent. Saturday Night: Rain in the evening, then showers likely after midnight. Lows around 50. Sunday: Mostly cloudy with a 20 percent chance of showers in the morning, then sunny in the afternoon. Highs in the lower to mid 60s. Sunday Night: Mostly clear. Lows in the lower 40s. North winds around 15 mph in the evening. Monday: Sunny. Highs in the mid to upper 60s. Monday Night: Partly cloudy. Lows in the lower to mid 40s. Tuesday: Partly cloudy. Highs around 70. Tuesday Night: Partly cloudy. Lows in the lower to mid 40s. Wednesday: Mostly cloudy in the morning then partly cloudy. Highs in the mid to upper 60s. Wednesday Night: Mostly clear. Lows in the lower to mid 40s. Thursday: Partly cloudy. Highs in the mid 60s. Thursday Night: Partly cloudy in the evening then mostly clear. Lows in the mid 40s. Friday: Partly cloudy in the morning then sunny. Highs in the mid 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