| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.95 | -0.02 |
| Feb | 0.98 | 1.02 | -0.04 |
| Mar | 1.61 | 1.61 | 0.00 |
| Apr | 2.88 | 2.88 | 0.00 |
| May | 3.98 | 3.99 | -0.01 |
| Jun | 4.37 | 4.38 | -0.01 |
| Jul | 4.29 | 4.31 | -0.02 |
| Aug | 4.06 | 4.03 | 0.03 |
| Sep | 3.82 | 3.89 | -0.07 |
| Oct | 3.26 | 3.34 | -0.08 |
| Nov | 1.85 | 1.77 | 0.08 |
| Dec | 1.35 | 1.33 | 0.02 |
33.38 | 33.50 | -0.12 |