| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.87 | 1.79 | 0.08 |
| Feb | 1.72 | 1.72 | 0.00 |
| Mar | 2.39 | 2.37 | 0.02 |
| Apr | 2.40 | 2.34 | 0.06 |
| May | 4.05 | 3.83 | 0.22 |
| Jun | 3.33 | 3.40 | -0.07 |
| Jul | 2.35 | 2.80 | -0.45 |
| Aug | 2.39 | 2.26 | 0.13 |
| Sep | 3.48 | 3.63 | -0.15 |
| Oct | 3.33 | 3.39 | -0.06 |
| Nov | 2.16 | 2.33 | -0.17 |
| Dec | 1.80 | 1.96 | -0.16 |
31.27 | 31.82 | -0.55 |