| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.40 | -0.05 |
| Feb | 0.40 | 0.44 | -0.04 |
| Mar | 0.67 | 0.77 | -0.10 |
| Apr | 1.33 | 1.39 | -0.06 |
| May | 2.64 | 2.66 | -0.02 |
| Jun | 3.09 | 3.19 | -0.10 |
| Jul | 2.39 | 2.52 | -0.13 |
| Aug | 1.72 | 1.78 | -0.06 |
| Sep | 1.61 | 1.80 | -0.19 |
| Oct | 1.25 | 1.30 | -0.05 |
| Nov | 0.50 | 0.59 | -0.09 |
| Dec | 0.37 | 0.40 | -0.03 |
16.32 | 17.24 | -0.92 |