| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.37 | 2.35 | 0.02 |
| Feb | 1.94 | 1.97 | -0.03 |
| Mar | 2.44 | 2.49 | -0.05 |
| Apr | 3.66 | 3.54 | 0.12 |
| May | 4.38 | 4.40 | -0.02 |
| Jun | 3.99 | 3.89 | 0.10 |
| Jul | 3.75 | 3.74 | 0.01 |
| Aug | 3.71 | 3.74 | -0.03 |
| Sep | 3.03 | 3.04 | -0.01 |
| Oct | 2.75 | 2.71 | 0.04 |
| Nov | 2.89 | 2.86 | 0.03 |
| Dec | 2.32 | 2.29 | 0.03 |
37.23 | 37.02 | 0.21 |