| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.84 | -0.07 |
| Feb | 1.03 | 1.08 | -0.05 |
| Mar | 1.85 | 1.93 | -0.08 |
| Apr | 3.41 | 3.40 | 0.01 |
| May | 4.68 | 4.57 | 0.11 |
| Jun | 5.02 | 4.97 | 0.05 |
| Jul | 3.90 | 4.08 | -0.18 |
| Aug | 4.21 | 4.20 | 0.01 |
| Sep | 3.17 | 2.93 | 0.24 |
| Oct | 2.50 | 2.49 | 0.01 |
| Nov | 1.50 | 1.41 | 0.09 |
| Dec | 1.21 | 1.23 | -0.02 |
33.25 | 33.13 | 0.12 |