| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.64 | -0.04 |
| Feb | 2.39 | 2.42 | -0.03 |
| Mar | 4.05 | 3.97 | 0.08 |
| Apr | 4.79 | 4.97 | -0.18 |
| May | 5.77 | 5.86 | -0.09 |
| Jun | 4.31 | 4.35 | -0.04 |
| Jul | 3.90 | 3.86 | 0.04 |
| Aug | 3.61 | 3.39 | 0.22 |
| Sep | 4.11 | 4.21 | -0.10 |
| Oct | 4.22 | 4.15 | 0.07 |
| Nov | 3.95 | 3.94 | 0.01 |
| Dec | 3.12 | 3.09 | 0.03 |
46.82 | 46.85 | -0.03 |