| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.25 | -0.01 |
| Feb | 1.97 | 2.10 | -0.13 |
| Mar | 2.59 | 2.68 | -0.09 |
| Apr | 4.01 | 3.94 | 0.07 |
| May | 4.40 | 4.45 | -0.05 |
| Jun | 4.50 | 4.61 | -0.11 |
| Jul | 4.26 | 4.24 | 0.02 |
| Aug | 3.39 | 3.23 | 0.16 |
| Sep | 3.11 | 3.19 | -0.08 |
| Oct | 3.26 | 3.29 | -0.03 |
| Nov | 3.09 | 3.11 | -0.02 |
| Dec | 2.27 | 2.36 | -0.09 |
39.09 | 39.45 | -0.36 |