| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.79 | 1.64 | 0.15 |
| Feb | 1.68 | 1.42 | 0.26 |
| Mar | 1.26 | 1.31 | -0.05 |
| Apr | 1.07 | 1.03 | 0.04 |
| May | 1.19 | 1.15 | 0.04 |
| Jun | 0.56 | 0.54 | 0.02 |
| Jul | 2.00 | 1.73 | 0.27 |
| Aug | 2.32 | 2.05 | 0.27 |
| Sep | 2.18 | 1.82 | 0.36 |
| Oct | 1.70 | 1.49 | 0.21 |
| Nov | 1.39 | 1.22 | 0.17 |
| Dec | 1.63 | 1.38 | 0.25 |
18.77 | 16.78 | 1.99 |