| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.31 | 2.52 | -0.21 |
| Feb | 2.01 | 2.12 | -0.11 |
| Mar | 2.37 | 2.55 | -0.18 |
| Apr | 3.52 | 3.62 | -0.10 |
| May | 3.83 | 3.98 | -0.15 |
| Jun | 3.87 | 3.96 | -0.09 |
| Jul | 3.83 | 3.89 | -0.06 |
| Aug | 3.43 | 3.50 | -0.07 |
| Sep | 3.00 | 2.93 | 0.07 |
| Oct | 2.70 | 2.72 | -0.02 |
| Nov | 2.57 | 2.65 | -0.08 |
| Dec | 2.35 | 2.49 | -0.14 |
35.79 | 36.93 | -1.14 |