| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.61 | -0.14 |
| Feb | 2.77 | 2.82 | -0.05 |
| Mar | 4.05 | 4.17 | -0.12 |
| Apr | 3.67 | 3.84 | -0.17 |
| May | 4.08 | 4.00 | 0.08 |
| Jun | 4.47 | 4.49 | -0.02 |
| Jul | 5.07 | 4.90 | 0.17 |
| Aug | 4.33 | 4.48 | -0.15 |
| Sep | 4.13 | 4.18 | -0.05 |
| Oct | 4.15 | 4.13 | 0.02 |
| Nov | 3.23 | 3.36 | -0.13 |
| Dec | 4.29 | 4.32 | -0.03 |
47.71 | 48.30 | -0.59 |