| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 3.13 | -0.17 |
| Feb | 2.51 | 2.56 | -0.05 |
| Mar | 3.24 | 3.28 | -0.04 |
| Apr | 3.40 | 3.43 | -0.03 |
| May | 3.96 | 4.03 | -0.07 |
| Jun | 4.10 | 4.25 | -0.15 |
| Jul | 4.14 | 4.05 | 0.09 |
| Aug | 3.59 | 3.40 | 0.19 |
| Sep | 3.35 | 3.35 | 0.00 |
| Oct | 2.93 | 3.01 | -0.08 |
| Nov | 2.74 | 2.96 | -0.22 |
| Dec | 2.99 | 3.23 | -0.24 |
39.91 | 40.68 | -0.77 |