| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.77 | 0.01 |
| Feb | 0.79 | 0.72 | 0.07 |
| Mar | 0.96 | 1.05 | -0.09 |
| Apr | 1.17 | 1.12 | 0.05 |
| May | 1.09 | 1.10 | -0.01 |
| Jun | 0.65 | 0.52 | 0.13 |
| Jul | 1.12 | 0.86 | 0.26 |
| Aug | 1.33 | 1.40 | -0.07 |
| Sep | 1.29 | 1.38 | -0.09 |
| Oct | 1.26 | 1.22 | 0.04 |
| Nov | 0.80 | 0.83 | -0.03 |
| Dec | 0.77 | 1.05 | -0.28 |
12.01 | 12.02 | -0.01 |