| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.25 | 1.38 | -0.13 |
| Feb | 1.16 | 1.23 | -0.07 |
| Mar | 0.83 | 0.84 | -0.01 |
| Apr | 0.33 | 0.44 | -0.11 |
| May | 0.50 | 0.80 | -0.30 |
| Jun | 0.82 | 0.81 | 0.01 |
| Jul | 3.66 | 4.05 | -0.39 |
| Aug | 3.48 | 3.94 | -0.46 |
| Sep | 2.24 | 2.42 | -0.18 |
| Oct | 1.09 | 1.13 | -0.04 |
| Nov | 1.16 | 1.24 | -0.08 |
| Dec | 1.56 | 1.58 | -0.02 |
18.08 | 19.86 | -1.78 |