| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.20 | 2.22 | -0.02 |
| Feb | 1.97 | 2.01 | -0.04 |
| Mar | 2.79 | 2.82 | -0.03 |
| Apr | 4.29 | 4.16 | 0.13 |
| May | 4.49 | 4.67 | -0.18 |
| Jun | 4.57 | 4.68 | -0.11 |
| Jul | 3.74 | 3.54 | 0.20 |
| Aug | 3.41 | 3.19 | 0.22 |
| Sep | 3.10 | 3.13 | -0.03 |
| Oct | 3.22 | 3.23 | -0.01 |
| Nov | 3.14 | 3.14 | 0.00 |
| Dec | 2.28 | 2.27 | 0.01 |
39.20 | 39.06 | 0.14 |