| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.51 | 6.05 | 0.46 |
| Feb | 4.97 | 4.53 | 0.44 |
| Mar | 5.36 | 4.97 | 0.39 |
| Apr | 4.27 | 3.82 | 0.45 |
| May | 2.96 | 2.74 | 0.22 |
| Jun | 1.90 | 1.77 | 0.13 |
| Jul | 0.42 | 0.38 | 0.04 |
| Aug | 0.52 | 0.45 | 0.07 |
| Sep | 1.70 | 1.56 | 0.14 |
| Oct | 3.99 | 3.64 | 0.35 |
| Nov | 6.70 | 6.11 | 0.59 |
| Dec | 7.59 | 7.05 | 0.54 |
46.89 | 43.07 | 3.82 |