| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.57 | 0.08 |
| Feb | 2.04 | 2.09 | -0.05 |
| Mar | 2.57 | 2.68 | -0.11 |
| Apr | 3.90 | 3.85 | 0.05 |
| May | 4.44 | 4.49 | -0.05 |
| Jun | 4.55 | 4.53 | 0.02 |
| Jul | 4.28 | 4.21 | 0.07 |
| Aug | 3.85 | 3.76 | 0.09 |
| Sep | 3.12 | 3.08 | 0.04 |
| Oct | 2.96 | 2.94 | 0.02 |
| Nov | 3.16 | 3.08 | 0.08 |
| Dec | 2.41 | 2.40 | 0.01 |
39.93 | 39.68 | 0.25 |