| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.81 | -0.31 |
| Feb | 3.80 | 4.02 | -0.22 |
| Mar | 2.90 | 3.52 | -0.62 |
| Apr | 1.00 | 1.02 | -0.02 |
| May | 0.33 | 0.37 | -0.04 |
| Jun | 0.04 | 0.09 | -0.05 |
| Jul | 0.01 | 0.03 | -0.02 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.07 | 0.08 | -0.01 |
| Oct | 0.64 | 0.79 | -0.15 |
| Nov | 1.22 | 1.24 | -0.02 |
| Dec | 2.42 | 2.79 | -0.37 |
15.94 | 17.76 | -1.82 |