| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.90 | 6.52 | 0.38 |
| Feb | 5.30 | 5.03 | 0.27 |
| Mar | 5.95 | 5.75 | 0.20 |
| Apr | 5.20 | 4.88 | 0.32 |
| May | 3.50 | 3.35 | 0.15 |
| Jun | 1.88 | 1.77 | 0.11 |
| Jul | 0.46 | 0.42 | 0.04 |
| Aug | 0.57 | 0.54 | 0.03 |
| Sep | 1.71 | 1.50 | 0.21 |
| Oct | 4.20 | 3.75 | 0.45 |
| Nov | 7.12 | 7.05 | 0.07 |
| Dec | 8.25 | 7.94 | 0.31 |
51.04 | 48.50 | 2.54 |