| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.75 | -0.31 |
| Feb | 2.80 | 3.06 | -0.26 |
| Mar | 1.90 | 2.06 | -0.16 |
| Apr | 0.83 | 0.99 | -0.16 |
| May | 0.30 | 0.37 | -0.07 |
| Jun | 0.06 | 0.08 | -0.02 |
| Jul | 0.04 | 0.07 | -0.03 |
| Aug | 0.02 | 0.04 | -0.02 |
| Sep | 0.13 | 0.15 | -0.02 |
| Oct | 0.59 | 0.64 | -0.05 |
| Nov | 0.98 | 0.97 | 0.01 |
| Dec | 1.84 | 2.02 | -0.18 |
11.93 | 13.20 | -1.27 |