| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 3.33 | -0.46 |
| Feb | 2.89 | 3.01 | -0.12 |
| Mar | 2.49 | 2.50 | -0.01 |
| Apr | 1.17 | 1.36 | -0.19 |
| May | 0.48 | 0.64 | -0.16 |
| Jun | 0.09 | 0.16 | -0.07 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.01 | 0.02 | -0.01 |
| Sep | 0.08 | 0.09 | -0.01 |
| Oct | 0.67 | 0.72 | -0.05 |
| Nov | 1.46 | 1.55 | -0.09 |
| Dec | 2.62 | 2.83 | -0.21 |
14.83 | 16.21 | -1.38 |