| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.70 | -0.07 |
| Feb | 0.79 | 0.91 | -0.12 |
| Mar | 1.62 | 1.75 | -0.13 |
| Apr | 2.48 | 2.82 | -0.34 |
| May | 2.54 | 2.70 | -0.16 |
| Jun | 1.81 | 1.90 | -0.09 |
| Jul | 1.91 | 1.89 | 0.02 |
| Aug | 1.90 | 1.79 | 0.11 |
| Sep | 1.42 | 1.62 | -0.20 |
| Oct | 1.19 | 1.45 | -0.26 |
| Nov | 0.90 | 1.02 | -0.12 |
| Dec | 0.65 | 0.77 | -0.12 |
17.84 | 19.32 | -1.48 |