| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.65 | -0.17 |
| Feb | 2.13 | 2.22 | -0.09 |
| Mar | 2.27 | 2.33 | -0.06 |
| Apr | 3.55 | 3.48 | 0.07 |
| May | 4.15 | 4.21 | -0.06 |
| Jun | 4.06 | 4.04 | 0.02 |
| Jul | 3.88 | 3.88 | 0.00 |
| Aug | 3.88 | 3.88 | 0.00 |
| Sep | 3.29 | 3.17 | 0.12 |
| Oct | 3.34 | 3.29 | 0.05 |
| Nov | 2.84 | 2.82 | 0.02 |
| Dec | 2.45 | 2.43 | 0.02 |
38.32 | 38.40 | -0.08 |