| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.47 | -0.05 |
| Feb | 0.38 | 0.40 | -0.02 |
| Mar | 0.79 | 0.82 | -0.03 |
| Apr | 1.03 | 1.04 | -0.01 |
| May | 1.56 | 1.72 | -0.16 |
| Jun | 1.52 | 1.77 | -0.25 |
| Jul | 3.11 | 2.78 | 0.33 |
| Aug | 2.69 | 2.93 | -0.24 |
| Sep | 1.68 | 1.85 | -0.17 |
| Oct | 1.04 | 1.11 | -0.07 |
| Nov | 0.52 | 0.53 | -0.01 |
| Dec | 0.47 | 0.44 | 0.03 |
15.21 | 15.86 | -0.65 |