| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 2.55 | -0.53 |
| Feb | 1.84 | 2.16 | -0.32 |
| Mar | 2.25 | 2.45 | -0.20 |
| Apr | 3.17 | 3.11 | 0.06 |
| May | 3.68 | 3.58 | 0.10 |
| Jun | 3.31 | 3.32 | -0.01 |
| Jul | 3.21 | 3.13 | 0.08 |
| Aug | 3.25 | 3.27 | -0.02 |
| Sep | 3.05 | 2.99 | 0.06 |
| Oct | 2.66 | 2.81 | -0.15 |
| Nov | 2.43 | 2.65 | -0.22 |
| Dec | 2.01 | 2.35 | -0.34 |
32.88 | 34.37 | -1.49 |