| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.56 | 1.87 | -0.31 |
| Feb | 1.29 | 1.62 | -0.33 |
| Mar | 1.82 | 1.95 | -0.13 |
| Apr | 1.79 | 1.88 | -0.09 |
| May | 2.01 | 1.98 | 0.03 |
| Jun | 1.49 | 1.45 | 0.04 |
| Jul | 0.54 | 0.51 | 0.03 |
| Aug | 0.51 | 0.51 | 0.00 |
| Sep | 0.71 | 0.69 | 0.02 |
| Oct | 1.39 | 1.48 | -0.09 |
| Nov | 1.75 | 1.97 | -0.22 |
| Dec | 1.73 | 1.93 | -0.20 |
16.59 | 17.84 | -1.25 |