| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.04 | -0.07 |
| Feb | 2.19 | 2.16 | 0.03 |
| Mar | 2.12 | 2.06 | 0.06 |
| Apr | 1.78 | 1.91 | -0.13 |
| May | 1.50 | 1.50 | 0.00 |
| Jun | 0.77 | 0.79 | -0.02 |
| Jul | 0.32 | 0.36 | -0.04 |
| Aug | 0.29 | 0.31 | -0.02 |
| Sep | 0.48 | 0.54 | -0.06 |
| Oct | 1.38 | 1.47 | -0.09 |
| Nov | 2.78 | 2.90 | -0.12 |
| Dec | 3.79 | 3.98 | -0.19 |
20.37 | 21.02 | -0.65 |