| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.15 | 14.40 | -3.25 |
| Feb | 9.43 | 13.25 | -3.82 |
| Mar | 8.12 | 12.68 | -4.56 |
| Apr | 4.68 | 6.23 | -1.55 |
| May | 2.08 | 2.66 | -0.58 |
| Jun | 0.70 | 0.82 | -0.12 |
| Jul | 0.05 | 0.09 | -0.04 |
| Aug | 0.13 | 0.11 | 0.02 |
| Sep | 0.51 | 0.61 | -0.10 |
| Oct | 3.10 | 3.94 | -0.84 |
| Nov | 6.89 | 8.43 | -1.54 |
| Dec | 12.40 | 15.55 | -3.15 |
59.24 | 78.77 | -19.53 |