| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.70 | 4.77 | -0.07 |
| Feb | 4.77 | 4.82 | -0.05 |
| Mar | 4.83 | 4.82 | 0.01 |
| Apr | 4.04 | 4.17 | -0.13 |
| May | 3.90 | 3.99 | -0.09 |
| Jun | 4.27 | 4.20 | 0.07 |
| Jul | 4.97 | 5.19 | -0.22 |
| Aug | 4.09 | 4.25 | -0.16 |
| Sep | 3.87 | 3.97 | -0.10 |
| Oct | 3.42 | 3.52 | -0.10 |
| Nov | 4.10 | 4.24 | -0.14 |
| Dec | 4.64 | 4.71 | -0.07 |
51.60 | 52.65 | -1.05 |