| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.24 | 0.04 |
| Feb | 2.31 | 2.58 | -0.27 |
| Mar | 2.78 | 3.05 | -0.27 |
| Apr | 3.52 | 3.57 | -0.05 |
| May | 3.37 | 3.49 | -0.12 |
| Jun | 3.67 | 3.74 | -0.07 |
| Jul | 3.82 | 3.59 | 0.23 |
| Aug | 3.53 | 3.40 | 0.13 |
| Sep | 4.10 | 4.13 | -0.03 |
| Oct | 3.97 | 4.17 | -0.20 |
| Nov | 3.56 | 3.87 | -0.31 |
| Dec | 3.58 | 3.68 | -0.10 |
41.49 | 42.51 | -1.02 |