| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.71 | -0.05 |
| Feb | 0.70 | 0.79 | -0.09 |
| Mar | 1.05 | 1.03 | 0.02 |
| Apr | 1.98 | 2.05 | -0.07 |
| May | 3.18 | 3.43 | -0.25 |
| Jun | 2.82 | 2.56 | 0.26 |
| Jul | 1.78 | 1.66 | 0.12 |
| Aug | 1.15 | 1.22 | -0.07 |
| Sep | 1.44 | 1.40 | 0.04 |
| Oct | 1.51 | 1.60 | -0.09 |
| Nov | 0.68 | 0.74 | -0.06 |
| Dec | 0.61 | 0.59 | 0.02 |
17.56 | 17.78 | -0.22 |