| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.17 | 11.37 | -0.20 |
| Feb | 8.52 | 9.09 | -0.57 |
| Mar | 9.11 | 9.82 | -0.71 |
| Apr | 6.25 | 6.70 | -0.45 |
| May | 3.27 | 3.16 | 0.11 |
| Jun | 1.56 | 1.69 | -0.13 |
| Jul | 0.25 | 0.29 | -0.04 |
| Aug | 0.37 | 0.39 | -0.02 |
| Sep | 1.22 | 1.27 | -0.05 |
| Oct | 4.56 | 4.79 | -0.23 |
| Nov | 8.79 | 9.35 | -0.56 |
| Dec | 13.03 | 13.71 | -0.68 |
68.10 | 71.63 | -3.53 |