| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.04 | -0.05 |
| Feb | 2.39 | 2.55 | -0.16 |
| Mar | 3.39 | 3.70 | -0.31 |
| Apr | 3.35 | 3.52 | -0.17 |
| May | 4.34 | 4.58 | -0.24 |
| Jun | 4.34 | 4.51 | -0.17 |
| Jul | 4.20 | 4.09 | 0.11 |
| Aug | 3.44 | 3.55 | -0.11 |
| Sep | 4.29 | 4.58 | -0.29 |
| Oct | 3.66 | 3.71 | -0.05 |
| Nov | 3.10 | 3.22 | -0.12 |
| Dec | 3.35 | 3.56 | -0.21 |
42.84 | 44.61 | -1.77 |