| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.61 | -0.01 |
| Feb | 0.50 | 0.57 | -0.07 |
| Mar | 0.67 | 0.82 | -0.15 |
| Apr | 1.22 | 1.26 | -0.04 |
| May | 2.68 | 2.93 | -0.25 |
| Jun | 3.78 | 3.88 | -0.10 |
| Jul | 3.54 | 3.55 | -0.01 |
| Aug | 2.78 | 2.90 | -0.12 |
| Sep | 2.60 | 2.77 | -0.17 |
| Oct | 1.85 | 2.03 | -0.18 |
| Nov | 0.84 | 0.92 | -0.08 |
| Dec | 0.87 | 0.82 | 0.05 |
21.93 | 23.06 | -1.13 |