| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.43 | -0.03 |
| Feb | 0.51 | 0.39 | 0.12 |
| Mar | 0.89 | 0.91 | -0.02 |
| Apr | 1.67 | 1.67 | 0.00 |
| May | 2.47 | 2.49 | -0.02 |
| Jun | 2.03 | 1.80 | 0.23 |
| Jul | 1.85 | 1.75 | 0.10 |
| Aug | 1.77 | 1.68 | 0.09 |
| Sep | 1.34 | 1.09 | 0.25 |
| Oct | 1.17 | 1.02 | 0.15 |
| Nov | 0.63 | 0.59 | 0.04 |
| Dec | 0.39 | 0.52 | -0.13 |
15.12 | 14.34 | 0.78 |