| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.38 | -0.05 |
| Feb | 2.68 | 2.80 | -0.12 |
| Mar | 3.77 | 3.85 | -0.08 |
| Apr | 3.71 | 3.79 | -0.08 |
| May | 3.82 | 3.90 | -0.08 |
| Jun | 4.43 | 4.72 | -0.29 |
| Jul | 4.57 | 4.38 | 0.19 |
| Aug | 4.53 | 4.81 | -0.28 |
| Sep | 4.44 | 4.40 | 0.04 |
| Oct | 4.44 | 4.66 | -0.22 |
| Nov | 3.27 | 3.31 | -0.04 |
| Dec | 3.92 | 4.12 | -0.20 |
46.91 | 48.12 | -1.21 |