| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.12 | -0.10 |
| Feb | 2.67 | 2.77 | -0.10 |
| Mar | 3.33 | 3.49 | -0.16 |
| Apr | 3.40 | 3.52 | -0.12 |
| May | 4.13 | 4.09 | 0.04 |
| Jun | 4.22 | 4.39 | -0.17 |
| Jul | 4.09 | 4.05 | 0.04 |
| Aug | 3.70 | 3.67 | 0.03 |
| Sep | 3.37 | 3.37 | 0.00 |
| Oct | 3.00 | 2.91 | 0.09 |
| Nov | 2.82 | 3.00 | -0.18 |
| Dec | 3.09 | 3.24 | -0.15 |
40.84 | 41.62 | -0.78 |