| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.31 | 0.36 | -0.05 |
| Feb | 0.50 | 0.52 | -0.02 |
| Mar | 0.94 | 0.99 | -0.05 |
| Apr | 2.11 | 2.19 | -0.08 |
| May | 3.97 | 3.97 | 0.00 |
| Jun | 3.22 | 3.24 | -0.02 |
| Jul | 2.75 | 2.70 | 0.05 |
| Aug | 1.92 | 2.11 | -0.19 |
| Sep | 1.41 | 1.48 | -0.07 |
| Oct | 1.46 | 1.57 | -0.11 |
| Nov | 0.48 | 0.52 | -0.04 |
| Dec | 0.35 | 0.39 | -0.04 |
19.42 | 20.04 | -0.62 |