| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.06 | -0.09 |
| Feb | 2.19 | 2.16 | 0.03 |
| Mar | 2.12 | 2.10 | 0.02 |
| Apr | 1.78 | 1.98 | -0.20 |
| May | 1.50 | 1.58 | -0.08 |
| Jun | 0.77 | 0.83 | -0.06 |
| Jul | 0.32 | 0.37 | -0.05 |
| Aug | 0.29 | 0.30 | -0.01 |
| Sep | 0.48 | 0.56 | -0.08 |
| Oct | 1.38 | 1.53 | -0.15 |
| Nov | 2.78 | 2.91 | -0.13 |
| Dec | 3.79 | 4.04 | -0.25 |
20.37 | 21.42 | -1.05 |