| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.92 | 4.82 | 0.10 |
| Feb | 3.07 | 3.11 | -0.04 |
| Mar | 3.52 | 3.49 | 0.03 |
| Apr | 2.85 | 2.86 | -0.01 |
| May | 2.50 | 2.25 | 0.25 |
| Jun | 1.84 | 1.71 | 0.13 |
| Jul | 1.08 | 0.97 | 0.11 |
| Aug | 1.25 | 1.09 | 0.16 |
| Sep | 2.18 | 1.92 | 0.26 |
| Oct | 4.02 | 3.82 | 0.20 |
| Nov | 5.65 | 5.53 | 0.12 |
| Dec | 4.63 | 4.61 | 0.02 |
37.51 | 36.18 | 1.33 |