| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.50 | 2.52 | -0.02 |
| Feb | 2.81 | 2.82 | -0.01 |
| Mar | 3.93 | 3.84 | 0.09 |
| Apr | 3.89 | 3.75 | 0.14 |
| May | 5.33 | 5.23 | 0.10 |
| Jun | 3.96 | 3.90 | 0.06 |
| Jul | 2.59 | 2.53 | 0.06 |
| Aug | 2.71 | 2.68 | 0.03 |
| Sep | 3.49 | 3.35 | 0.14 |
| Oct | 4.37 | 4.57 | -0.20 |
| Nov | 3.19 | 3.27 | -0.08 |
| Dec | 3.49 | 3.41 | 0.08 |
42.26 | 41.87 | 0.39 |