| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.35 | 0.08 |
| Feb | 3.02 | 3.04 | -0.02 |
| Mar | 3.68 | 3.74 | -0.06 |
| Apr | 3.32 | 3.53 | -0.21 |
| May | 4.57 | 4.50 | 0.07 |
| Jun | 3.52 | 3.84 | -0.32 |
| Jul | 1.97 | 2.09 | -0.12 |
| Aug | 2.50 | 2.72 | -0.22 |
| Sep | 3.54 | 3.13 | 0.41 |
| Oct | 4.34 | 4.35 | -0.01 |
| Nov | 3.30 | 3.33 | -0.03 |
| Dec | 3.78 | 3.70 | 0.08 |
40.97 | 41.32 | -0.35 |