| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.57 | -0.03 |
| Feb | 0.44 | 0.50 | -0.06 |
| Mar | 1.27 | 1.32 | -0.05 |
| Apr | 1.79 | 1.73 | 0.06 |
| May | 2.56 | 2.51 | 0.05 |
| Jun | 3.32 | 3.10 | 0.22 |
| Jul | 2.97 | 2.95 | 0.02 |
| Aug | 2.88 | 2.99 | -0.11 |
| Sep | 1.42 | 1.38 | 0.04 |
| Oct | 1.82 | 1.87 | -0.05 |
| Nov | 0.67 | 0.73 | -0.06 |
| Dec | 0.84 | 0.90 | -0.06 |
20.52 | 20.55 | -0.03 |