| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.21 | -0.17 |
| Feb | 0.96 | 1.06 | -0.10 |
| Mar | 1.32 | 1.54 | -0.22 |
| Apr | 2.40 | 2.62 | -0.22 |
| May | 2.99 | 3.29 | -0.30 |
| Jun | 4.03 | 3.91 | 0.12 |
| Jul | 3.37 | 3.33 | 0.04 |
| Aug | 3.01 | 3.06 | -0.05 |
| Sep | 3.15 | 3.17 | -0.02 |
| Oct | 2.97 | 3.37 | -0.40 |
| Nov | 1.94 | 2.27 | -0.33 |
| Dec | 1.57 | 1.76 | -0.19 |
28.75 | 30.59 | -1.84 |