| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 2.81 | 0.05 |
| Feb | 2.28 | 2.03 | 0.25 |
| Mar | 2.61 | 2.36 | 0.25 |
| Apr | 2.95 | 2.72 | 0.23 |
| May | 3.35 | 3.15 | 0.20 |
| Jun | 3.89 | 3.93 | -0.04 |
| Jul | 3.94 | 3.69 | 0.25 |
| Aug | 3.62 | 3.55 | 0.07 |
| Sep | 3.49 | 3.40 | 0.09 |
| Oct | 4.05 | 4.07 | -0.02 |
| Nov | 3.22 | 3.05 | 0.17 |
| Dec | 3.51 | 3.15 | 0.36 |
39.77 | 37.91 | 1.86 |