| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.04 | 1.98 | 0.06 |
| Feb | 1.82 | 1.81 | 0.01 |
| Mar | 2.49 | 2.47 | 0.02 |
| Apr | 2.43 | 2.44 | -0.01 |
| May | 4.11 | 4.06 | 0.05 |
| Jun | 3.44 | 3.40 | 0.04 |
| Jul | 2.32 | 2.66 | -0.34 |
| Aug | 2.43 | 2.35 | 0.08 |
| Sep | 3.70 | 3.89 | -0.19 |
| Oct | 3.49 | 3.74 | -0.25 |
| Nov | 2.36 | 2.53 | -0.17 |
| Dec | 1.90 | 2.14 | -0.24 |
32.53 | 33.47 | -0.94 |