| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.78 | -0.19 |
| Feb | 2.95 | 3.36 | -0.41 |
| Mar | 4.34 | 4.71 | -0.37 |
| Apr | 4.15 | 4.48 | -0.33 |
| May | 3.55 | 3.50 | 0.05 |
| Jun | 4.02 | 4.11 | -0.09 |
| Jul | 3.49 | 3.67 | -0.18 |
| Aug | 3.97 | 4.24 | -0.27 |
| Sep | 4.15 | 4.45 | -0.30 |
| Oct | 4.56 | 4.68 | -0.12 |
| Nov | 3.82 | 4.03 | -0.21 |
| Dec | 4.41 | 4.82 | -0.41 |
47.00 | 49.83 | -2.83 |