| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.57 | -0.33 |
| Feb | 2.65 | 2.68 | -0.03 |
| Mar | 3.42 | 3.37 | 0.05 |
| Apr | 3.29 | 3.33 | -0.04 |
| May | 4.50 | 4.39 | 0.11 |
| Jun | 3.67 | 3.80 | -0.13 |
| Jul | 1.97 | 2.02 | -0.05 |
| Aug | 2.32 | 2.23 | 0.09 |
| Sep | 3.04 | 3.15 | -0.11 |
| Oct | 4.15 | 4.53 | -0.38 |
| Nov | 2.67 | 2.80 | -0.13 |
| Dec | 2.68 | 2.90 | -0.22 |
36.60 | 37.77 | -1.17 |