| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.88 | 3.16 | -0.28 |
| Feb | 2.45 | 2.55 | -0.10 |
| Mar | 3.18 | 3.27 | -0.09 |
| Apr | 3.35 | 3.39 | -0.04 |
| May | 3.84 | 3.96 | -0.12 |
| Jun | 4.16 | 4.36 | -0.20 |
| Jul | 4.18 | 4.15 | 0.03 |
| Aug | 3.59 | 3.59 | 0.00 |
| Sep | 3.36 | 3.40 | -0.04 |
| Oct | 2.86 | 2.99 | -0.13 |
| Nov | 2.77 | 2.93 | -0.16 |
| Dec | 3.03 | 3.18 | -0.15 |
39.65 | 40.93 | -1.28 |