| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 2.98 | 0.03 |
| Feb | 2.33 | 2.36 | -0.03 |
| Mar | 3.49 | 3.36 | 0.13 |
| Apr | 4.20 | 4.05 | 0.15 |
| May | 4.66 | 4.48 | 0.18 |
| Jun | 4.52 | 4.42 | 0.10 |
| Jul | 4.57 | 4.35 | 0.22 |
| Aug | 3.21 | 3.16 | 0.05 |
| Sep | 3.19 | 3.06 | 0.13 |
| Oct | 2.84 | 2.82 | 0.02 |
| Nov | 2.94 | 2.91 | 0.03 |
| Dec | 3.01 | 3.01 | 0.00 |
41.97 | 40.96 | 1.01 |