| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.42 | 0.07 |
| Feb | 2.84 | 2.77 | 0.07 |
| Mar | 3.99 | 4.07 | -0.08 |
| Apr | 3.54 | 3.59 | -0.05 |
| May | 3.82 | 3.86 | -0.04 |
| Jun | 4.62 | 4.35 | 0.27 |
| Jul | 5.06 | 5.14 | -0.08 |
| Aug | 4.83 | 4.87 | -0.04 |
| Sep | 4.60 | 5.04 | -0.44 |
| Oct | 4.03 | 4.28 | -0.25 |
| Nov | 3.05 | 3.02 | 0.03 |
| Dec | 3.59 | 3.64 | -0.05 |
47.46 | 48.05 | -0.59 |