| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.27 | 0.31 | -0.04 |
| Feb | 0.38 | 0.42 | -0.04 |
| Mar | 0.73 | 0.77 | -0.04 |
| Apr | 1.50 | 1.57 | -0.07 |
| May | 2.52 | 2.57 | -0.05 |
| Jun | 2.33 | 2.35 | -0.02 |
| Jul | 2.41 | 2.51 | -0.10 |
| Aug | 1.96 | 1.85 | 0.11 |
| Sep | 1.22 | 1.24 | -0.02 |
| Oct | 1.12 | 1.14 | -0.02 |
| Nov | 0.45 | 0.43 | 0.02 |
| Dec | 0.34 | 0.36 | -0.02 |
15.23 | 15.52 | -0.29 |