| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.34 | 0.33 | 0.01 |
| Feb | 0.56 | 0.56 | 0.00 |
| Mar | 1.00 | 1.03 | -0.03 |
| Apr | 2.22 | 2.25 | -0.03 |
| May | 3.39 | 3.35 | 0.04 |
| Jun | 3.43 | 3.63 | -0.20 |
| Jul | 3.29 | 3.34 | -0.05 |
| Aug | 2.65 | 2.82 | -0.17 |
| Sep | 1.65 | 1.65 | 0.00 |
| Oct | 1.59 | 1.68 | -0.09 |
| Nov | 0.77 | 0.72 | 0.05 |
| Dec | 0.51 | 0.52 | -0.01 |
21.40 | 21.88 | -0.48 |