| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.05 | 2.07 | -0.02 |
| Feb | 1.71 | 1.82 | -0.11 |
| Mar | 2.30 | 2.31 | -0.01 |
| Apr | 3.68 | 3.70 | -0.02 |
| May | 4.69 | 4.50 | 0.19 |
| Jun | 4.38 | 4.48 | -0.10 |
| Jul | 4.04 | 4.12 | -0.08 |
| Aug | 3.90 | 3.74 | 0.16 |
| Sep | 3.29 | 3.24 | 0.05 |
| Oct | 3.17 | 3.12 | 0.05 |
| Nov | 2.49 | 2.47 | 0.02 |
| Dec | 2.03 | 2.07 | -0.04 |
37.73 | 37.64 | 0.09 |