| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.56 | 2.67 | -0.11 |
| Feb | 2.14 | 2.29 | -0.15 |
| Mar | 2.77 | 2.84 | -0.07 |
| Apr | 3.77 | 3.88 | -0.11 |
| May | 3.79 | 3.88 | -0.09 |
| Jun | 4.10 | 4.19 | -0.09 |
| Jul | 3.82 | 4.07 | -0.25 |
| Aug | 3.38 | 3.53 | -0.15 |
| Sep | 3.32 | 3.49 | -0.17 |
| Oct | 3.14 | 3.26 | -0.12 |
| Nov | 2.81 | 2.83 | -0.02 |
| Dec | 2.48 | 2.65 | -0.17 |
38.08 | 39.58 | -1.50 |