| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.68 | 2.79 | -0.11 |
| Feb | 2.22 | 2.26 | -0.04 |
| Mar | 2.93 | 3.06 | -0.13 |
| Apr | 3.84 | 3.87 | -0.03 |
| May | 4.29 | 4.31 | -0.02 |
| Jun | 4.55 | 4.65 | -0.10 |
| Jul | 4.13 | 4.22 | -0.09 |
| Aug | 3.42 | 3.48 | -0.06 |
| Sep | 3.08 | 3.13 | -0.05 |
| Oct | 2.74 | 2.78 | -0.04 |
| Nov | 2.81 | 2.86 | -0.05 |
| Dec | 2.74 | 2.88 | -0.14 |
39.43 | 40.29 | -0.86 |