| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.65 | -0.19 |
| Feb | 1.95 | 2.31 | -0.36 |
| Mar | 1.91 | 2.13 | -0.22 |
| Apr | 1.64 | 1.98 | -0.34 |
| May | 1.44 | 1.75 | -0.31 |
| Jun | 0.80 | 0.79 | 0.01 |
| Jul | 0.36 | 0.41 | -0.05 |
| Aug | 0.31 | 0.34 | -0.03 |
| Sep | 0.46 | 0.53 | -0.07 |
| Oct | 1.27 | 1.51 | -0.24 |
| Nov | 2.39 | 2.64 | -0.25 |
| Dec | 3.30 | 3.89 | -0.59 |
18.29 | 20.93 | -2.64 |