| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 1.96 | -0.31 |
| Feb | 1.37 | 1.50 | -0.13 |
| Mar | 1.26 | 1.42 | -0.16 |
| Apr | 0.99 | 1.06 | -0.07 |
| May | 1.56 | 1.61 | -0.05 |
| Jun | 1.02 | 0.90 | 0.12 |
| Jul | 0.40 | 0.32 | 0.08 |
| Aug | 0.39 | 0.33 | 0.06 |
| Sep | 0.69 | 0.69 | 0.00 |
| Oct | 1.00 | 1.06 | -0.06 |
| Nov | 1.15 | 1.11 | 0.04 |
| Dec | 1.99 | 2.26 | -0.27 |
13.47 | 14.22 | -0.75 |