| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.59 | 1.68 | -0.09 |
| Feb | 1.50 | 1.57 | -0.07 |
| Mar | 1.94 | 1.95 | -0.01 |
| Apr | 3.62 | 3.69 | -0.07 |
| May | 3.66 | 3.74 | -0.08 |
| Jun | 4.20 | 4.36 | -0.16 |
| Jul | 3.39 | 3.42 | -0.03 |
| Aug | 3.63 | 3.62 | 0.01 |
| Sep | 3.13 | 3.04 | 0.09 |
| Oct | 2.77 | 2.81 | -0.04 |
| Nov | 2.10 | 2.09 | 0.01 |
| Dec | 1.82 | 1.95 | -0.13 |
33.35 | 33.92 | -0.57 |