| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.76 | 0.01 |
| Feb | 0.97 | 1.07 | -0.10 |
| Mar | 1.85 | 1.86 | -0.01 |
| Apr | 2.90 | 2.86 | 0.04 |
| May | 5.17 | 5.19 | -0.02 |
| Jun | 4.50 | 4.38 | 0.12 |
| Jul | 3.99 | 3.95 | 0.04 |
| Aug | 3.57 | 3.34 | 0.23 |
| Sep | 2.94 | 3.01 | -0.07 |
| Oct | 2.49 | 2.49 | 0.00 |
| Nov | 1.45 | 1.40 | 0.05 |
| Dec | 1.17 | 1.14 | 0.03 |
31.77 | 31.45 | 0.32 |