| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.56 | -0.32 |
| Feb | 2.65 | 2.67 | -0.02 |
| Mar | 3.42 | 3.38 | 0.04 |
| Apr | 3.29 | 3.33 | -0.04 |
| May | 4.50 | 4.39 | 0.11 |
| Jun | 3.67 | 3.79 | -0.12 |
| Jul | 1.97 | 2.01 | -0.04 |
| Aug | 2.32 | 2.22 | 0.10 |
| Sep | 3.04 | 3.15 | -0.11 |
| Oct | 4.15 | 4.52 | -0.37 |
| Nov | 2.67 | 2.81 | -0.14 |
| Dec | 2.68 | 2.89 | -0.21 |
36.60 | 37.72 | -1.12 |