| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.09 | -0.02 |
| Feb | 2.41 | 2.32 | 0.09 |
| Mar | 3.04 | 3.07 | -0.03 |
| Apr | 3.87 | 3.92 | -0.05 |
| May | 4.39 | 4.27 | 0.12 |
| Jun | 4.71 | 4.77 | -0.06 |
| Jul | 4.05 | 4.16 | -0.11 |
| Aug | 3.48 | 3.52 | -0.04 |
| Sep | 3.42 | 3.28 | 0.14 |
| Oct | 3.22 | 2.99 | 0.23 |
| Nov | 3.10 | 2.94 | 0.16 |
| Dec | 3.03 | 3.12 | -0.09 |
41.79 | 41.45 | 0.34 |