| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.41 | -0.01 |
| Feb | 0.32 | 0.36 | -0.04 |
| Mar | 0.45 | 0.48 | -0.03 |
| Apr | 1.00 | 0.99 | 0.01 |
| May | 2.25 | 2.10 | 0.15 |
| Jun | 2.83 | 2.82 | 0.01 |
| Jul | 1.89 | 1.79 | 0.10 |
| Aug | 1.24 | 1.26 | -0.02 |
| Sep | 1.08 | 1.00 | 0.08 |
| Oct | 0.90 | 0.94 | -0.04 |
| Nov | 0.42 | 0.46 | -0.04 |
| Dec | 0.39 | 0.42 | -0.03 |
13.17 | 13.03 | 0.14 |