| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 1.06 | -0.13 |
| Feb | 0.84 | 0.97 | -0.13 |
| Mar | 1.34 | 1.44 | -0.10 |
| Apr | 2.38 | 2.56 | -0.18 |
| May | 3.08 | 3.21 | -0.13 |
| Jun | 4.16 | 4.20 | -0.04 |
| Jul | 3.82 | 3.77 | 0.05 |
| Aug | 3.46 | 3.65 | -0.19 |
| Sep | 3.16 | 3.37 | -0.21 |
| Oct | 2.82 | 2.99 | -0.17 |
| Nov | 1.71 | 1.94 | -0.23 |
| Dec | 1.27 | 1.41 | -0.14 |
28.97 | 30.57 | -1.60 |