| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.46 | 0.03 |
| Feb | 2.11 | 2.15 | -0.04 |
| Mar | 3.01 | 2.95 | 0.06 |
| Apr | 3.47 | 3.57 | -0.10 |
| May | 3.33 | 3.50 | -0.17 |
| Jun | 4.27 | 4.54 | -0.27 |
| Jul | 3.84 | 4.06 | -0.22 |
| Aug | 3.94 | 3.84 | 0.10 |
| Sep | 3.88 | 4.08 | -0.20 |
| Oct | 3.76 | 3.81 | -0.05 |
| Nov | 2.94 | 3.06 | -0.12 |
| Dec | 2.86 | 2.97 | -0.11 |
39.90 | 40.99 | -1.09 |