| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 1.03 | -0.10 |
| Feb | 0.84 | 0.95 | -0.11 |
| Mar | 1.34 | 1.44 | -0.10 |
| Apr | 2.38 | 2.55 | -0.17 |
| May | 3.08 | 3.18 | -0.10 |
| Jun | 4.16 | 4.17 | -0.01 |
| Jul | 3.82 | 3.74 | 0.08 |
| Aug | 3.46 | 3.63 | -0.17 |
| Sep | 3.16 | 3.36 | -0.20 |
| Oct | 2.82 | 2.97 | -0.15 |
| Nov | 1.71 | 1.91 | -0.20 |
| Dec | 1.27 | 1.39 | -0.12 |
28.97 | 30.32 | -1.35 |