| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.64 | -0.08 |
| Feb | 0.77 | 0.80 | -0.03 |
| Mar | 1.39 | 1.34 | 0.05 |
| Apr | 1.91 | 2.09 | -0.18 |
| May | 3.48 | 3.60 | -0.12 |
| Jun | 3.12 | 3.25 | -0.13 |
| Jul | 3.78 | 4.16 | -0.38 |
| Aug | 3.11 | 3.19 | -0.08 |
| Sep | 1.75 | 1.74 | 0.01 |
| Oct | 1.84 | 1.82 | 0.02 |
| Nov | 0.79 | 0.78 | 0.01 |
| Dec | 0.89 | 0.96 | -0.07 |
23.39 | 24.37 | -0.98 |