| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.18 | 0.07 |
| Feb | 1.96 | 2.01 | -0.05 |
| Mar | 2.82 | 2.89 | -0.07 |
| Apr | 4.34 | 4.42 | -0.08 |
| May | 4.61 | 4.77 | -0.16 |
| Jun | 4.30 | 4.41 | -0.11 |
| Jul | 3.84 | 3.50 | 0.34 |
| Aug | 3.35 | 3.13 | 0.22 |
| Sep | 3.20 | 3.16 | 0.04 |
| Oct | 3.07 | 3.20 | -0.13 |
| Nov | 3.05 | 3.06 | -0.01 |
| Dec | 2.17 | 2.26 | -0.09 |
38.96 | 38.99 | -0.03 |