| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.57 | 0.15 |
| Feb | 0.71 | 0.56 | 0.15 |
| Mar | 0.71 | 0.60 | 0.11 |
| Apr | 1.01 | 0.91 | 0.10 |
| May | 1.63 | 1.50 | 0.13 |
| Jun | 1.29 | 1.25 | 0.04 |
| Jul | 0.77 | 0.73 | 0.04 |
| Aug | 0.80 | 0.75 | 0.05 |
| Sep | 1.18 | 1.06 | 0.12 |
| Oct | 0.97 | 0.91 | 0.06 |
| Nov | 0.70 | 0.52 | 0.18 |
| Dec | 0.73 | 0.58 | 0.15 |
11.22 | 9.94 | 1.28 |