| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.46 | 5.93 | 0.53 |
| Feb | 4.96 | 4.68 | 0.28 |
| Mar | 5.25 | 4.96 | 0.29 |
| Apr | 4.43 | 4.48 | -0.05 |
| May | 3.04 | 3.14 | -0.10 |
| Jun | 1.77 | 1.83 | -0.06 |
| Jul | 0.37 | 0.39 | -0.02 |
| Aug | 0.49 | 0.46 | 0.03 |
| Sep | 1.54 | 1.55 | -0.01 |
| Oct | 3.84 | 3.92 | -0.08 |
| Nov | 6.66 | 6.06 | 0.60 |
| Dec | 7.65 | 7.11 | 0.54 |
46.46 | 44.51 | 1.95 |