| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.46 | -0.05 |
| Feb | 0.46 | 0.50 | -0.04 |
| Mar | 0.73 | 0.73 | 0.00 |
| Apr | 1.68 | 1.72 | -0.04 |
| May | 2.79 | 2.97 | -0.18 |
| Jun | 2.40 | 2.47 | -0.07 |
| Jul | 1.99 | 2.23 | -0.24 |
| Aug | 1.39 | 1.37 | 0.02 |
| Sep | 1.11 | 1.17 | -0.06 |
| Oct | 1.31 | 1.47 | -0.16 |
| Nov | 0.52 | 0.55 | -0.03 |
| Dec | 0.40 | 0.48 | -0.08 |
15.19 | 16.12 | -0.93 |