San Luis Obispo County rain reports, California
San Luis Obispo County, California has 1 report of rain for 2026, the heaviest storm total 1.00 inches at Los Osos on October 21, 2026, reported to the National Weather Service.
as of
County standing in California
During 2026, San Luis Obispo County places 5 among 10 counties in California by number of reports filed. San Luis Obispo County accounts for 6% of the 16 reports recorded in California for this period. California's largest figure for the 2026 period came from Mono County, at 1.20 inches.
| Rank among counties | 5 / 10 |
|---|---|
| Share of state reports | 6% |
| State's largest this period | 1.20 inches, Mono |
Each figure here comes from Local Storm Reports, and the numbers cover only the stated period. A county with more spotters can rank high on reporting volume, whatever the weather did.
Rain reports in 2026
| Amount | Place | Reported by | Time |
|---|---|---|---|
| 1.00 inches | Los Osos | Trained Spotter | , October 21, 2026 |
An observer's name and the total they measured come with every National Weather Service Local Storm Report that lists San Luis Obispo County in the county field.
Days with rain reports
National Weather Service offices file Local Storm Reports; the Iowa Environmental Mesonet of Iowa State University relays them to this page, where they appear as live spotter reports. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.