| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.34 | 8.71 | 0.63 |
| Feb | 7.35 | 6.82 | 0.53 |
| Mar | 7.43 | 6.78 | 0.65 |
| Apr | 5.21 | 4.54 | 0.67 |
| May | 3.09 | 2.56 | 0.53 |
| Jun | 1.77 | 1.34 | 0.43 |
| Jul | 0.44 | 0.33 | 0.11 |
| Aug | 0.47 | 0.39 | 0.08 |
| Sep | 1.75 | 1.57 | 0.18 |
| Oct | 5.03 | 4.22 | 0.81 |
| Nov | 8.95 | 8.50 | 0.45 |
| Dec | 11.25 | 10.64 | 0.61 |
62.08 | 56.40 | 5.68 |