| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.11 | 2.12 | -0.01 |
| Feb | 1.88 | 1.94 | -0.06 |
| Mar | 2.42 | 2.37 | 0.05 |
| Apr | 3.84 | 3.82 | 0.02 |
| May | 4.59 | 4.66 | -0.07 |
| Jun | 4.48 | 4.44 | 0.04 |
| Jul | 4.15 | 4.27 | -0.12 |
| Aug | 4.03 | 3.99 | 0.04 |
| Sep | 3.40 | 3.31 | 0.09 |
| Oct | 3.40 | 3.40 | 0.00 |
| Nov | 2.63 | 2.57 | 0.06 |
| Dec | 2.19 | 2.15 | 0.04 |
39.12 | 39.04 | 0.08 |