| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.50 | 2.82 | -0.32 |
| Feb | 1.91 | 2.17 | -0.26 |
| Mar | 2.33 | 2.45 | -0.12 |
| Apr | 1.95 | 2.11 | -0.16 |
| May | 1.98 | 1.75 | 0.23 |
| Jun | 1.37 | 1.21 | 0.16 |
| Jul | 0.52 | 0.42 | 0.10 |
| Aug | 0.51 | 0.46 | 0.05 |
| Sep | 0.73 | 0.65 | 0.08 |
| Oct | 1.79 | 1.86 | -0.07 |
| Nov | 2.62 | 2.96 | -0.34 |
| Dec | 2.62 | 3.01 | -0.39 |
20.83 | 21.87 | -1.04 |