| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.50 | 0.05 |
| Feb | 0.43 | 0.51 | -0.08 |
| Mar | 0.77 | 0.88 | -0.11 |
| Apr | 1.38 | 1.50 | -0.12 |
| May | 2.17 | 2.67 | -0.50 |
| Jun | 1.82 | 2.04 | -0.22 |
| Jul | 1.22 | 1.22 | 0.00 |
| Aug | 0.60 | 0.88 | -0.28 |
| Sep | 1.07 | 1.21 | -0.14 |
| Oct | 1.12 | 1.25 | -0.13 |
| Nov | 0.49 | 0.49 | 0.00 |
| Dec | 0.49 | 0.41 | 0.08 |
12.11 | 13.56 | -1.45 |