| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.63 | -0.06 |
| Feb | 2.01 | 2.17 | -0.16 |
| Mar | 2.37 | 2.53 | -0.16 |
| Apr | 2.98 | 3.07 | -0.09 |
| May | 2.98 | 2.99 | -0.01 |
| Jun | 3.25 | 3.54 | -0.29 |
| Jul | 3.29 | 3.36 | -0.07 |
| Aug | 3.19 | 3.30 | -0.11 |
| Sep | 3.22 | 3.16 | 0.06 |
| Oct | 3.52 | 3.63 | -0.11 |
| Nov | 2.88 | 3.05 | -0.17 |
| Dec | 2.79 | 2.97 | -0.18 |
35.05 | 36.40 | -1.35 |