| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.50 | 1.52 | -0.02 |
| Feb | 1.44 | 1.49 | -0.05 |
| Mar | 1.99 | 2.02 | -0.03 |
| Apr | 3.58 | 3.68 | -0.10 |
| May | 4.09 | 4.12 | -0.03 |
| Jun | 5.05 | 5.12 | -0.07 |
| Jul | 3.97 | 4.08 | -0.11 |
| Aug | 3.97 | 4.08 | -0.11 |
| Sep | 3.36 | 3.40 | -0.04 |
| Oct | 2.78 | 2.90 | -0.12 |
| Nov | 2.17 | 2.18 | -0.01 |
| Dec | 1.74 | 1.79 | -0.05 |
35.64 | 36.38 | -0.74 |