| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 1.04 | -0.01 |
| Feb | 0.98 | 1.02 | -0.04 |
| Mar | 1.63 | 1.63 | 0.00 |
| Apr | 2.83 | 2.84 | -0.01 |
| May | 3.84 | 3.88 | -0.04 |
| Jun | 4.66 | 4.82 | -0.16 |
| Jul | 3.84 | 3.87 | -0.03 |
| Aug | 4.01 | 3.96 | 0.05 |
| Sep | 3.55 | 3.60 | -0.05 |
| Oct | 3.25 | 3.25 | 0.00 |
| Nov | 1.84 | 1.82 | 0.02 |
| Dec | 1.26 | 1.37 | -0.11 |
32.72 | 33.10 | -0.38 |