| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.39 | -0.03 |
| Feb | 0.39 | 0.43 | -0.04 |
| Mar | 0.78 | 0.82 | -0.04 |
| Apr | 1.63 | 1.72 | -0.09 |
| May | 2.50 | 2.61 | -0.11 |
| Jun | 2.52 | 2.60 | -0.08 |
| Jul | 2.82 | 2.95 | -0.13 |
| Aug | 2.64 | 2.56 | 0.08 |
| Sep | 1.17 | 1.22 | -0.05 |
| Oct | 1.07 | 1.16 | -0.09 |
| Nov | 0.48 | 0.50 | -0.02 |
| Dec | 0.39 | 0.45 | -0.06 |
16.75 | 17.41 | -0.66 |