| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.82 | 0.03 |
| Feb | 0.75 | 0.82 | -0.07 |
| Mar | 1.18 | 1.30 | -0.12 |
| Apr | 1.41 | 1.38 | 0.03 |
| May | 2.40 | 2.17 | 0.23 |
| Jun | 2.77 | 2.62 | 0.15 |
| Jul | 2.13 | 2.37 | -0.24 |
| Aug | 1.83 | 1.42 | 0.41 |
| Sep | 4.53 | 4.13 | 0.40 |
| Oct | 2.20 | 2.15 | 0.05 |
| Nov | 1.23 | 1.27 | -0.04 |
| Dec | 0.99 | 1.07 | -0.08 |
22.27 | 21.52 | 0.75 |