| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.75 | -0.12 |
| Feb | 3.04 | 3.18 | -0.14 |
| Mar | 3.70 | 3.97 | -0.27 |
| Apr | 3.34 | 3.49 | -0.15 |
| May | 3.56 | 3.35 | 0.21 |
| Jun | 4.04 | 4.19 | -0.15 |
| Jul | 3.81 | 3.95 | -0.14 |
| Aug | 4.18 | 4.34 | -0.16 |
| Sep | 3.68 | 3.97 | -0.29 |
| Oct | 3.16 | 3.27 | -0.11 |
| Nov | 3.13 | 3.27 | -0.14 |
| Dec | 3.44 | 3.79 | -0.35 |
42.71 | 44.52 | -1.81 |