| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.58 | -0.38 |
| Feb | 1.22 | 1.39 | -0.17 |
| Mar | 1.33 | 1.48 | -0.15 |
| Apr | 1.53 | 1.77 | -0.24 |
| May | 1.58 | 1.83 | -0.25 |
| Jun | 0.80 | 0.95 | -0.15 |
| Jul | 0.97 | 1.14 | -0.17 |
| Aug | 1.15 | 1.31 | -0.16 |
| Sep | 1.69 | 1.84 | -0.15 |
| Oct | 1.54 | 1.77 | -0.23 |
| Nov | 1.15 | 1.42 | -0.27 |
| Dec | 1.34 | 1.33 | 0.01 |
15.50 | 17.81 | -2.31 |