| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.39 | 0.02 |
| Feb | 0.32 | 0.32 | 0.00 |
| Mar | 0.98 | 0.93 | 0.05 |
| Apr | 1.31 | 1.35 | -0.04 |
| May | 1.84 | 1.94 | -0.10 |
| Jun | 2.23 | 2.33 | -0.10 |
| Jul | 2.92 | 2.82 | 0.10 |
| Aug | 2.90 | 2.97 | -0.07 |
| Sep | 1.42 | 1.40 | 0.02 |
| Oct | 1.42 | 1.48 | -0.06 |
| Nov | 0.51 | 0.48 | 0.03 |
| Dec | 0.58 | 0.61 | -0.03 |
16.84 | 17.02 | -0.18 |