| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.24 | 0.01 |
| Feb | 1.94 | 2.03 | -0.09 |
| Mar | 2.59 | 2.68 | -0.09 |
| Apr | 4.02 | 3.89 | 0.13 |
| May | 4.42 | 4.44 | -0.02 |
| Jun | 4.49 | 4.53 | -0.04 |
| Jul | 4.24 | 4.12 | 0.12 |
| Aug | 3.44 | 3.33 | 0.11 |
| Sep | 3.09 | 3.17 | -0.08 |
| Oct | 3.24 | 3.22 | 0.02 |
| Nov | 3.08 | 3.02 | 0.06 |
| Dec | 2.25 | 2.32 | -0.07 |
39.05 | 38.99 | 0.06 |