| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 2.82 | 0.04 |
| Feb | 2.28 | 2.03 | 0.25 |
| Mar | 2.61 | 2.36 | 0.25 |
| Apr | 2.95 | 2.72 | 0.23 |
| May | 3.35 | 3.16 | 0.19 |
| Jun | 3.89 | 3.93 | -0.04 |
| Jul | 3.94 | 3.69 | 0.25 |
| Aug | 3.62 | 3.56 | 0.06 |
| Sep | 3.49 | 3.41 | 0.08 |
| Oct | 4.05 | 4.08 | -0.03 |
| Nov | 3.22 | 3.06 | 0.16 |
| Dec | 3.51 | 3.15 | 0.36 |
39.77 | 37.97 | 1.80 |