| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.30 | -0.07 |
| Feb | 2.66 | 2.71 | -0.05 |
| Mar | 3.63 | 3.70 | -0.07 |
| Apr | 3.78 | 3.88 | -0.10 |
| May | 3.77 | 3.88 | -0.11 |
| Jun | 4.85 | 4.89 | -0.04 |
| Jul | 4.41 | 4.33 | 0.08 |
| Aug | 4.47 | 4.41 | 0.06 |
| Sep | 4.56 | 4.62 | -0.06 |
| Oct | 4.55 | 4.54 | 0.01 |
| Nov | 3.23 | 3.27 | -0.04 |
| Dec | 3.84 | 3.95 | -0.11 |
46.98 | 47.48 | -0.50 |