| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.94 | -0.37 |
| Feb | 1.32 | 1.43 | -0.11 |
| Mar | 1.31 | 1.53 | -0.22 |
| Apr | 1.51 | 1.67 | -0.16 |
| May | 1.94 | 2.14 | -0.20 |
| Jun | 1.03 | 1.06 | -0.03 |
| Jul | 0.48 | 0.52 | -0.04 |
| Aug | 0.66 | 0.68 | -0.02 |
| Sep | 1.06 | 1.10 | -0.04 |
| Oct | 1.37 | 1.51 | -0.14 |
| Nov | 1.03 | 1.11 | -0.08 |
| Dec | 1.38 | 1.49 | -0.11 |
14.66 | 16.18 | -1.52 |