| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.53 | -0.10 |
| Feb | 2.11 | 2.12 | -0.01 |
| Mar | 2.39 | 2.43 | -0.04 |
| Apr | 3.53 | 3.60 | -0.07 |
| May | 4.27 | 4.23 | 0.04 |
| Jun | 3.70 | 3.85 | -0.15 |
| Jul | 3.48 | 3.53 | -0.05 |
| Aug | 3.70 | 3.79 | -0.09 |
| Sep | 3.39 | 3.38 | 0.01 |
| Oct | 3.22 | 3.27 | -0.05 |
| Nov | 2.90 | 2.87 | 0.03 |
| Dec | 2.34 | 2.37 | -0.03 |
37.46 | 37.97 | -0.51 |