| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.26 | 0.25 | 0.01 |
| Feb | 0.32 | 0.34 | -0.02 |
| Mar | 0.43 | 0.46 | -0.03 |
| Apr | 1.04 | 0.99 | 0.05 |
| May | 1.81 | 1.88 | -0.07 |
| Jun | 1.38 | 1.43 | -0.05 |
| Jul | 0.77 | 0.90 | -0.13 |
| Aug | 0.68 | 0.67 | 0.01 |
| Sep | 1.06 | 0.98 | 0.08 |
| Oct | 0.82 | 0.65 | 0.17 |
| Nov | 0.40 | 0.39 | 0.01 |
| Dec | 0.28 | 0.32 | -0.04 |
9.25 | 9.26 | -0.01 |