| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.85 | -0.52 |
| Feb | 2.80 | 3.23 | -0.43 |
| Mar | 3.11 | 3.51 | -0.40 |
| Apr | 3.52 | 3.58 | -0.06 |
| May | 3.68 | 3.71 | -0.03 |
| Jun | 4.00 | 3.98 | 0.02 |
| Jul | 3.82 | 3.95 | -0.13 |
| Aug | 3.65 | 3.77 | -0.12 |
| Sep | 3.71 | 3.76 | -0.05 |
| Oct | 4.39 | 4.68 | -0.29 |
| Nov | 3.71 | 4.07 | -0.36 |
| Dec | 3.69 | 4.18 | -0.49 |
43.41 | 46.27 | -2.86 |