| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.88 | 8.97 | 0.91 |
| Feb | 7.40 | 6.83 | 0.57 |
| Mar | 7.10 | 6.55 | 0.55 |
| Apr | 4.11 | 3.63 | 0.48 |
| May | 2.07 | 1.75 | 0.32 |
| Jun | 0.88 | 0.82 | 0.06 |
| Jul | 0.23 | 0.28 | -0.05 |
| Aug | 0.30 | 0.23 | 0.07 |
| Sep | 0.85 | 0.71 | 0.14 |
| Oct | 3.27 | 2.37 | 0.90 |
| Nov | 7.50 | 6.77 | 0.73 |
| Dec | 11.76 | 10.55 | 1.21 |
55.35 | 49.46 | 5.89 |