| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.55 | 1.82 | -0.27 |
| Feb | 1.45 | 1.61 | -0.16 |
| Mar | 1.92 | 2.20 | -0.28 |
| Apr | 3.59 | 4.03 | -0.44 |
| May | 3.66 | 4.05 | -0.39 |
| Jun | 4.20 | 4.42 | -0.22 |
| Jul | 3.46 | 3.90 | -0.44 |
| Aug | 3.62 | 4.14 | -0.52 |
| Sep | 3.06 | 3.33 | -0.27 |
| Oct | 2.71 | 2.98 | -0.27 |
| Nov | 2.06 | 2.21 | -0.15 |
| Dec | 1.77 | 2.15 | -0.38 |
33.05 | 36.84 | -3.79 |