| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.52 | -0.08 |
| Feb | 3.21 | 3.25 | -0.04 |
| Mar | 3.44 | 3.54 | -0.10 |
| Apr | 3.27 | 3.44 | -0.17 |
| May | 3.65 | 3.80 | -0.15 |
| Jun | 4.72 | 4.79 | -0.07 |
| Jul | 5.28 | 5.68 | -0.40 |
| Aug | 5.58 | 5.66 | -0.08 |
| Sep | 4.97 | 5.05 | -0.08 |
| Oct | 3.41 | 3.59 | -0.18 |
| Nov | 2.98 | 3.02 | -0.04 |
| Dec | 3.65 | 3.72 | -0.07 |
47.60 | 49.06 | -1.46 |