| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.40 | 6.10 | 0.30 |
| Feb | 4.91 | 4.66 | 0.25 |
| Mar | 5.21 | 4.88 | 0.33 |
| Apr | 4.29 | 3.94 | 0.35 |
| May | 2.95 | 2.68 | 0.27 |
| Jun | 1.63 | 1.51 | 0.12 |
| Jul | 0.34 | 0.34 | 0.00 |
| Aug | 0.48 | 0.40 | 0.08 |
| Sep | 1.49 | 1.37 | 0.12 |
| Oct | 3.72 | 3.50 | 0.22 |
| Nov | 6.51 | 6.27 | 0.24 |
| Dec | 7.59 | 7.25 | 0.34 |
45.52 | 42.90 | 2.62 |