| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.32 | 0.39 | -0.07 |
| Feb | 0.39 | 0.41 | -0.02 |
| Mar | 0.77 | 0.90 | -0.13 |
| Apr | 1.65 | 1.73 | -0.08 |
| May | 2.45 | 2.54 | -0.09 |
| Jun | 1.72 | 1.63 | 0.09 |
| Jul | 1.57 | 1.44 | 0.13 |
| Aug | 1.63 | 1.40 | 0.23 |
| Sep | 1.23 | 1.16 | 0.07 |
| Oct | 1.04 | 1.11 | -0.07 |
| Nov | 0.56 | 0.64 | -0.08 |
| Dec | 0.39 | 0.45 | -0.06 |
13.72 | 13.80 | -0.08 |