| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.53 | 0.01 |
| Feb | 0.62 | 0.71 | -0.09 |
| Mar | 1.37 | 1.50 | -0.13 |
| Apr | 2.10 | 2.29 | -0.19 |
| May | 2.43 | 2.55 | -0.12 |
| Jun | 1.77 | 1.71 | 0.06 |
| Jul | 1.82 | 1.77 | 0.05 |
| Aug | 1.82 | 1.86 | -0.04 |
| Sep | 1.39 | 1.30 | 0.09 |
| Oct | 1.21 | 1.19 | 0.02 |
| Nov | 0.83 | 0.85 | -0.02 |
| Dec | 0.59 | 0.65 | -0.06 |
16.49 | 16.91 | -0.42 |