| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.83 | 8.56 | 1.27 |
| Feb | 7.77 | 6.82 | 0.95 |
| Mar | 8.52 | 7.78 | 0.74 |
| Apr | 6.80 | 6.32 | 0.48 |
| May | 4.77 | 4.38 | 0.39 |
| Jun | 3.15 | 2.96 | 0.19 |
| Jul | 0.69 | 0.62 | 0.07 |
| Aug | 0.89 | 0.69 | 0.20 |
| Sep | 2.64 | 2.35 | 0.29 |
| Oct | 6.49 | 5.61 | 0.88 |
| Nov | 10.61 | 9.12 | 1.49 |
| Dec | 11.57 | 10.09 | 1.48 |
73.73 | 65.30 | 8.43 |