| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.15 | 0.12 |
| Feb | 1.93 | 1.83 | 0.10 |
| Mar | 2.26 | 2.25 | 0.01 |
| Apr | 3.11 | 3.15 | -0.04 |
| May | 3.66 | 3.53 | 0.13 |
| Jun | 3.29 | 3.23 | 0.06 |
| Jul | 3.38 | 3.23 | 0.15 |
| Aug | 3.25 | 3.38 | -0.13 |
| Sep | 3.28 | 2.97 | 0.31 |
| Oct | 2.77 | 2.72 | 0.05 |
| Nov | 2.51 | 2.49 | 0.02 |
| Dec | 2.21 | 2.24 | -0.03 |
33.92 | 33.17 | 0.75 |