San Luis Obispo rainfall for 2023
San Luis Obispo picked up 28.39 inches of rain in 2023. Measurable rain, 0.01 inch or more in a day, fell on 54 days at San Luis Obispo McChesney Field; the wettest day brought 4.04 inches on Jan 9, 2023. The 1991-2020 normal for a full year is 17.94 inches. The total landed 10.45 inches above the normal, which works out to 58% more. 2023 ranks 2nd out of 27 complete years, wettest first, in a record that starts in 1998.
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San Luis Obispo rainfall for 2023
| Year total | 28.39 inches | 2023 |
|---|---|---|
| 1991-2020 normal | 17.94 inches | Averages are 1991-2020 normals from NCEI. |
| Departure vs normal | +10.45 inches (+58%) | 158% of normal |
| Year rank | 2nd of 27 | Complete years from 1998, wettest first |
| Rain days | 54 | |
| Wettest day | 4.04 inches |
Rain by month in 2023
Every day with measurable rain in 2023
Daily totals come from San Luis Obispo McChesney Field, which appears in GHCN-Daily with records going back to 1998. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.
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