| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 3.08 | -0.30 |
| Feb | 2.39 | 2.43 | -0.04 |
| Mar | 2.92 | 3.18 | -0.26 |
| Apr | 3.60 | 3.87 | -0.27 |
| May | 4.08 | 4.56 | -0.48 |
| Jun | 4.84 | 4.82 | 0.02 |
| Jul | 4.59 | 4.84 | -0.25 |
| Aug | 4.29 | 4.51 | -0.22 |
| Sep | 4.02 | 4.51 | -0.49 |
| Oct | 4.60 | 5.04 | -0.44 |
| Nov | 3.50 | 3.85 | -0.35 |
| Dec | 3.35 | 3.61 | -0.26 |
44.96 | 48.30 | -3.34 |