| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.95 | -0.05 |
| Feb | 0.96 | 0.96 | 0.00 |
| Mar | 1.62 | 1.62 | 0.00 |
| Apr | 2.82 | 2.91 | -0.09 |
| May | 3.98 | 3.86 | 0.12 |
| Jun | 4.52 | 4.62 | -0.10 |
| Jul | 4.48 | 4.36 | 0.12 |
| Aug | 4.20 | 4.12 | 0.08 |
| Sep | 3.54 | 3.38 | 0.16 |
| Oct | 3.03 | 3.00 | 0.03 |
| Nov | 1.77 | 1.77 | 0.00 |
| Dec | 1.26 | 1.33 | -0.07 |
33.08 | 32.88 | 0.20 |