San Francisco rainfall for 2018
San Francisco picked up 15.69 inches of rain in 2018. Measurable rain, 0.01 inch or more in a day, fell on 53 days at San Francisco International Airport; the wettest day brought 3.12 inches on Jan 8, 2018. The 1991-2020 normal for a full year is 19.64 inches. The total landed 3.95 inches below the normal, which works out to 20% less. 2018 ranks 56th out of 80 complete years, wettest first, in a record that starts in 1945.
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San Francisco rainfall for 2018
| Year total | 15.69 inches | 2018 |
|---|---|---|
| 1991-2020 normal | 19.64 inches | Averages are 1991-2020 normals from NCEI. |
| Departure vs normal | -3.95 inches (-20%) | 80% of normal |
| Year rank | 56th of 80 | Complete years from 1945, wettest first |
| Rain days | 53 | |
| Wettest day | 3.12 inches |
Rain by month in 2018
Every day with measurable rain in 2018
Daily totals come from San Francisco International Airport, which appears in GHCN-Daily with records going back to 1945. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.
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