| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.84 | 4.95 | -0.11 |
| Feb | 4.52 | 4.53 | -0.01 |
| Mar | 4.82 | 4.87 | -0.05 |
| Apr | 4.08 | 4.23 | -0.15 |
| May | 3.77 | 3.90 | -0.13 |
| Jun | 4.51 | 4.44 | 0.07 |
| Jul | 4.37 | 4.31 | 0.06 |
| Aug | 4.90 | 5.29 | -0.39 |
| Sep | 4.05 | 4.17 | -0.12 |
| Oct | 3.81 | 3.98 | -0.17 |
| Nov | 3.91 | 4.07 | -0.16 |
| Dec | 4.97 | 5.21 | -0.24 |
52.55 | 53.95 | -1.40 |