| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 2.93 | 0.04 |
| Feb | 2.20 | 2.27 | -0.07 |
| Mar | 3.48 | 3.29 | 0.19 |
| Apr | 3.25 | 3.28 | -0.03 |
| May | 4.22 | 4.13 | 0.09 |
| Jun | 4.21 | 3.88 | 0.33 |
| Jul | 3.97 | 3.41 | 0.56 |
| Aug | 3.67 | 3.65 | 0.02 |
| Sep | 4.50 | 4.43 | 0.07 |
| Oct | 3.08 | 3.19 | -0.11 |
| Nov | 2.95 | 3.16 | -0.21 |
| Dec | 3.16 | 3.22 | -0.06 |
41.66 | 40.84 | 0.82 |