| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.73 | -0.01 |
| Feb | 1.73 | 1.73 | 0.00 |
| Mar | 2.44 | 2.32 | 0.12 |
| Apr | 3.55 | 3.53 | 0.02 |
| May | 4.74 | 4.64 | 0.10 |
| Jun | 5.05 | 4.90 | 0.15 |
| Jul | 4.04 | 4.07 | -0.03 |
| Aug | 3.89 | 3.85 | 0.04 |
| Sep | 3.51 | 3.38 | 0.13 |
| Oct | 2.90 | 2.86 | 0.04 |
| Nov | 2.40 | 2.35 | 0.05 |
| Dec | 1.99 | 2.02 | -0.03 |
37.96 | 37.38 | 0.58 |