| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.26 | 2.13 | 0.13 |
| Feb | 1.49 | 1.42 | 0.07 |
| Mar | 1.83 | 1.68 | 0.15 |
| Apr | 2.91 | 2.71 | 0.20 |
| May | 3.06 | 2.95 | 0.11 |
| Jun | 3.08 | 3.01 | 0.07 |
| Jul | 2.81 | 2.78 | 0.03 |
| Aug | 3.08 | 3.17 | -0.09 |
| Sep | 3.72 | 3.60 | 0.12 |
| Oct | 4.26 | 4.15 | 0.11 |
| Nov | 2.89 | 2.83 | 0.06 |
| Dec | 2.43 | 2.34 | 0.09 |
33.82 | 32.77 | 1.05 |