| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 1.83 | -0.03 |
| Feb | 1.82 | 1.90 | -0.08 |
| Mar | 2.55 | 2.54 | 0.01 |
| Apr | 2.42 | 2.35 | 0.07 |
| May | 4.31 | 4.39 | -0.08 |
| Jun | 2.94 | 2.97 | -0.03 |
| Jul | 2.02 | 2.17 | -0.15 |
| Aug | 2.30 | 2.22 | 0.08 |
| Sep | 3.52 | 3.48 | 0.04 |
| Oct | 3.15 | 3.20 | -0.05 |
| Nov | 2.40 | 2.49 | -0.09 |
| Dec | 1.97 | 1.98 | -0.01 |
31.20 | 31.52 | -0.32 |