| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.75 | -0.04 |
| Feb | 0.80 | 0.84 | -0.04 |
| Mar | 1.44 | 1.52 | -0.08 |
| Apr | 2.59 | 2.71 | -0.12 |
| May | 3.38 | 3.44 | -0.06 |
| Jun | 4.49 | 4.75 | -0.26 |
| Jul | 3.90 | 4.03 | -0.13 |
| Aug | 3.77 | 4.09 | -0.32 |
| Sep | 2.95 | 3.05 | -0.10 |
| Oct | 2.36 | 2.56 | -0.20 |
| Nov | 1.33 | 1.39 | -0.06 |
| Dec | 0.88 | 0.94 | -0.06 |
28.60 | 30.07 | -1.47 |