| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.05 | 2.08 | -0.03 |
| Feb | 1.73 | 1.83 | -0.10 |
| Mar | 2.33 | 2.30 | 0.03 |
| Apr | 3.70 | 3.68 | 0.02 |
| May | 4.68 | 4.50 | 0.18 |
| Jun | 4.39 | 4.50 | -0.11 |
| Jul | 4.10 | 4.15 | -0.05 |
| Aug | 3.87 | 3.74 | 0.13 |
| Sep | 3.29 | 3.24 | 0.05 |
| Oct | 3.19 | 3.11 | 0.08 |
| Nov | 2.52 | 2.47 | 0.05 |
| Dec | 2.05 | 2.06 | -0.01 |
37.90 | 37.66 | 0.24 |