| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 2.95 | 0.02 |
| Feb | 2.57 | 2.50 | 0.07 |
| Mar | 3.22 | 3.22 | 0.00 |
| Apr | 3.82 | 3.77 | 0.05 |
| May | 3.98 | 3.68 | 0.30 |
| Jun | 4.87 | 4.38 | 0.49 |
| Jul | 4.51 | 4.29 | 0.22 |
| Aug | 4.44 | 4.25 | 0.19 |
| Sep | 4.36 | 4.04 | 0.32 |
| Oct | 4.39 | 4.08 | 0.31 |
| Nov | 3.43 | 3.31 | 0.12 |
| Dec | 3.55 | 3.33 | 0.22 |
46.11 | 43.80 | 2.31 |