| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.37 | 0.09 |
| Feb | 0.52 | 0.44 | 0.08 |
| Mar | 1.20 | 1.16 | 0.04 |
| Apr | 2.11 | 2.29 | -0.18 |
| May | 2.85 | 3.17 | -0.32 |
| Jun | 1.84 | 1.96 | -0.12 |
| Jul | 1.81 | 1.77 | 0.04 |
| Aug | 1.56 | 1.54 | 0.02 |
| Sep | 1.48 | 1.49 | -0.01 |
| Oct | 1.18 | 1.31 | -0.13 |
| Nov | 0.72 | 0.77 | -0.05 |
| Dec | 0.47 | 0.40 | 0.07 |
16.20 | 16.67 | -0.47 |