| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.70 | -0.09 |
| Feb | 0.73 | 0.79 | -0.06 |
| Mar | 1.48 | 1.50 | -0.02 |
| Apr | 2.73 | 2.89 | -0.16 |
| May | 3.68 | 4.02 | -0.34 |
| Jun | 4.82 | 5.07 | -0.25 |
| Jul | 3.73 | 3.61 | 0.12 |
| Aug | 4.13 | 4.00 | 0.13 |
| Sep | 3.00 | 3.06 | -0.06 |
| Oct | 2.30 | 2.39 | -0.09 |
| Nov | 1.26 | 1.31 | -0.05 |
| Dec | 0.91 | 0.99 | -0.08 |
29.38 | 30.33 | -0.95 |