| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.20 | 7.85 | -0.65 |
| Feb | 4.96 | 5.25 | -0.29 |
| Mar | 5.87 | 5.99 | -0.12 |
| Apr | 3.94 | 4.07 | -0.13 |
| May | 2.56 | 2.44 | 0.12 |
| Jun | 1.56 | 1.70 | -0.14 |
| Jul | 0.55 | 0.54 | 0.01 |
| Aug | 0.78 | 0.85 | -0.07 |
| Sep | 1.90 | 1.97 | -0.07 |
| Oct | 4.36 | 4.77 | -0.41 |
| Nov | 7.91 | 8.15 | -0.24 |
| Dec | 8.05 | 7.78 | 0.27 |
49.64 | 51.36 | -1.72 |