| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 1.01 | -0.08 |
| Feb | 0.84 | 0.94 | -0.10 |
| Mar | 1.34 | 1.43 | -0.09 |
| Apr | 2.38 | 2.54 | -0.16 |
| May | 3.08 | 3.12 | -0.04 |
| Jun | 4.16 | 4.13 | 0.03 |
| Jul | 3.82 | 3.73 | 0.09 |
| Aug | 3.46 | 3.65 | -0.19 |
| Sep | 3.16 | 3.34 | -0.18 |
| Oct | 2.82 | 2.94 | -0.12 |
| Nov | 1.71 | 1.88 | -0.17 |
| Dec | 1.27 | 1.35 | -0.08 |
28.97 | 30.06 | -1.09 |