| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.19 | 1.28 | -0.09 |
| Feb | 1.15 | 1.20 | -0.05 |
| Mar | 1.73 | 1.89 | -0.16 |
| Apr | 1.44 | 1.59 | -0.15 |
| May | 3.05 | 3.18 | -0.13 |
| Jun | 2.68 | 2.74 | -0.06 |
| Jul | 2.23 | 2.55 | -0.32 |
| Aug | 2.07 | 2.09 | -0.02 |
| Sep | 4.28 | 4.36 | -0.08 |
| Oct | 2.38 | 2.40 | -0.02 |
| Nov | 1.50 | 1.56 | -0.06 |
| Dec | 1.34 | 1.49 | -0.15 |
25.04 | 26.33 | -1.29 |