| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.84 | 11.20 | 0.64 |
| Feb | 8.92 | 8.40 | 0.52 |
| Mar | 9.44 | 8.78 | 0.66 |
| Apr | 6.22 | 6.06 | 0.16 |
| May | 3.79 | 3.82 | -0.03 |
| Jun | 2.30 | 2.72 | -0.42 |
| Jul | 0.55 | 0.65 | -0.10 |
| Aug | 0.70 | 0.90 | -0.20 |
| Sep | 2.03 | 2.25 | -0.22 |
| Oct | 6.25 | 5.93 | 0.32 |
| Nov | 11.18 | 10.97 | 0.21 |
| Dec | 13.22 | 13.05 | 0.17 |
76.44 | 74.73 | 1.71 |