| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.26 | -0.04 |
| Feb | 1.98 | 2.10 | -0.12 |
| Mar | 2.59 | 2.68 | -0.09 |
| Apr | 3.99 | 3.97 | 0.02 |
| May | 4.39 | 4.43 | -0.04 |
| Jun | 4.54 | 4.62 | -0.08 |
| Jul | 4.27 | 4.22 | 0.05 |
| Aug | 3.28 | 3.16 | 0.12 |
| Sep | 3.13 | 3.19 | -0.06 |
| Oct | 3.27 | 3.28 | -0.01 |
| Nov | 3.14 | 3.14 | 0.00 |
| Dec | 2.29 | 2.38 | -0.09 |
39.09 | 39.43 | -0.34 |