| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.51 | -0.07 |
| Feb | 0.45 | 0.53 | -0.08 |
| Mar | 0.60 | 0.73 | -0.13 |
| Apr | 1.07 | 1.02 | 0.05 |
| May | 2.55 | 2.55 | 0.00 |
| Jun | 3.40 | 3.82 | -0.42 |
| Jul | 2.74 | 2.77 | -0.03 |
| Aug | 1.89 | 2.07 | -0.18 |
| Sep | 1.68 | 1.85 | -0.17 |
| Oct | 1.25 | 1.35 | -0.10 |
| Nov | 0.65 | 0.75 | -0.10 |
| Dec | 0.51 | 0.62 | -0.11 |
17.23 | 18.57 | -1.34 |