| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.25 | 0.17 |
| Feb | 0.56 | 0.44 | 0.12 |
| Mar | 1.04 | 0.78 | 0.26 |
| Apr | 1.85 | 1.50 | 0.35 |
| May | 2.58 | 2.57 | 0.01 |
| Jun | 2.10 | 2.22 | -0.12 |
| Jul | 1.84 | 1.85 | -0.01 |
| Aug | 1.44 | 1.70 | -0.26 |
| Sep | 1.45 | 1.77 | -0.32 |
| Oct | 1.10 | 0.98 | 0.12 |
| Nov | 0.68 | 0.53 | 0.15 |
| Dec | 0.57 | 0.46 | 0.11 |
15.63 | 15.05 | 0.58 |