| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.89 | 2.84 | 0.05 |
| Feb | 2.20 | 2.15 | 0.05 |
| Mar | 3.10 | 2.97 | 0.13 |
| Apr | 2.97 | 2.82 | 0.15 |
| May | 4.80 | 4.69 | 0.11 |
| Jun | 3.22 | 3.07 | 0.15 |
| Jul | 2.13 | 1.87 | 0.26 |
| Aug | 2.98 | 2.49 | 0.49 |
| Sep | 3.21 | 3.04 | 0.17 |
| Oct | 4.35 | 4.20 | 0.15 |
| Nov | 3.11 | 3.02 | 0.09 |
| Dec | 3.17 | 3.07 | 0.10 |
38.13 | 36.23 | 1.90 |