| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.89 | 1.91 | -0.02 |
| Feb | 1.65 | 1.76 | -0.11 |
| Mar | 1.37 | 1.48 | -0.11 |
| Apr | 1.32 | 1.26 | 0.06 |
| May | 1.21 | 1.41 | -0.20 |
| Jun | 0.68 | 0.71 | -0.03 |
| Jul | 1.85 | 2.04 | -0.19 |
| Aug | 2.32 | 2.49 | -0.17 |
| Sep | 2.08 | 2.17 | -0.09 |
| Oct | 1.71 | 1.77 | -0.06 |
| Nov | 1.49 | 1.62 | -0.13 |
| Dec | 1.73 | 1.73 | 0.00 |
19.30 | 20.35 | -1.05 |