| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 3.12 | -0.52 |
| Feb | 3.08 | 3.80 | -0.72 |
| Mar | 1.83 | 2.27 | -0.44 |
| Apr | 0.74 | 0.89 | -0.15 |
| May | 0.24 | 0.37 | -0.13 |
| Jun | 0.05 | 0.12 | -0.07 |
| Jul | 0.03 | 0.07 | -0.04 |
| Aug | 0.01 | 0.02 | -0.01 |
| Sep | 0.11 | 0.11 | 0.00 |
| Oct | 0.49 | 0.70 | -0.21 |
| Nov | 0.83 | 0.97 | -0.14 |
| Dec | 2.00 | 2.56 | -0.56 |
12.01 | 15.00 | -2.99 |