| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.48 | -0.03 |
| Feb | 3.18 | 3.45 | -0.27 |
| Mar | 3.52 | 3.74 | -0.22 |
| Apr | 3.12 | 3.11 | 0.01 |
| May | 3.90 | 3.42 | 0.48 |
| Jun | 4.96 | 4.81 | 0.15 |
| Jul | 5.91 | 6.29 | -0.38 |
| Aug | 6.22 | 6.25 | -0.03 |
| Sep | 6.17 | 7.22 | -1.05 |
| Oct | 4.08 | 4.41 | -0.33 |
| Nov | 3.26 | 3.10 | 0.16 |
| Dec | 3.82 | 3.66 | 0.16 |
51.59 | 52.94 | -1.35 |