| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.27 | -0.18 |
| Feb | 2.49 | 2.72 | -0.23 |
| Mar | 3.47 | 3.77 | -0.30 |
| Apr | 3.64 | 3.79 | -0.15 |
| May | 3.68 | 3.79 | -0.11 |
| Jun | 4.72 | 4.81 | -0.09 |
| Jul | 4.26 | 4.19 | 0.07 |
| Aug | 4.32 | 4.22 | 0.10 |
| Sep | 4.35 | 4.61 | -0.26 |
| Oct | 4.36 | 4.45 | -0.09 |
| Nov | 3.14 | 3.27 | -0.13 |
| Dec | 3.71 | 3.81 | -0.10 |
45.23 | 46.70 | -1.47 |