| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.05 | 2.11 | -0.06 |
| Feb | 1.88 | 1.93 | -0.05 |
| Mar | 2.53 | 2.53 | 0.00 |
| Apr | 3.82 | 3.77 | 0.05 |
| May | 4.60 | 4.71 | -0.11 |
| Jun | 4.10 | 4.12 | -0.02 |
| Jul | 4.05 | 3.66 | 0.39 |
| Aug | 3.63 | 3.36 | 0.27 |
| Sep | 3.35 | 3.44 | -0.09 |
| Oct | 3.08 | 3.07 | 0.01 |
| Nov | 2.66 | 2.67 | -0.01 |
| Dec | 2.14 | 2.15 | -0.01 |
37.89 | 37.52 | 0.37 |