| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.46 | -0.02 |
| Feb | 0.56 | 0.62 | -0.06 |
| Mar | 1.03 | 1.27 | -0.24 |
| Apr | 2.14 | 2.15 | -0.01 |
| May | 3.26 | 3.52 | -0.26 |
| Jun | 3.27 | 3.49 | -0.22 |
| Jul | 2.36 | 2.63 | -0.27 |
| Aug | 1.84 | 1.89 | -0.05 |
| Sep | 1.29 | 1.34 | -0.05 |
| Oct | 1.60 | 1.56 | 0.04 |
| Nov | 0.54 | 0.61 | -0.07 |
| Dec | 0.44 | 0.56 | -0.12 |
18.77 | 20.10 | -1.33 |