| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.05 | 0.22 |
| Feb | 3.25 | 3.23 | 0.02 |
| Mar | 2.77 | 2.84 | -0.07 |
| Apr | 1.06 | 0.99 | 0.07 |
| May | 0.34 | 0.33 | 0.01 |
| Jun | 0.05 | 0.07 | -0.02 |
| Jul | 0.01 | 0.05 | -0.04 |
| Aug | 0.01 | 0.01 | 0.00 |
| Sep | 0.08 | 0.06 | 0.02 |
| Oct | 0.65 | 0.63 | 0.02 |
| Nov | 1.27 | 1.15 | 0.12 |
| Dec | 2.37 | 2.18 | 0.19 |
15.13 | 14.59 | 0.54 |