| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.42 | 2.39 | 0.03 |
| Feb | 2.01 | 2.07 | -0.06 |
| Mar | 2.31 | 2.34 | -0.03 |
| Apr | 3.56 | 3.52 | 0.04 |
| May | 4.31 | 4.25 | 0.06 |
| Jun | 3.92 | 3.92 | 0.00 |
| Jul | 3.81 | 3.65 | 0.16 |
| Aug | 3.62 | 3.97 | -0.35 |
| Sep | 3.16 | 3.05 | 0.11 |
| Oct | 3.01 | 2.94 | 0.07 |
| Nov | 3.00 | 2.95 | 0.05 |
| Dec | 2.36 | 2.34 | 0.02 |
37.49 | 37.39 | 0.10 |