| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.04 | 6.41 | -0.37 |
| Feb | 4.43 | 4.97 | -0.54 |
| Mar | 4.35 | 4.93 | -0.58 |
| Apr | 3.27 | 3.63 | -0.36 |
| May | 2.35 | 2.51 | -0.16 |
| Jun | 1.49 | 1.82 | -0.33 |
| Jul | 0.43 | 0.50 | -0.07 |
| Aug | 0.57 | 0.62 | -0.05 |
| Sep | 1.53 | 1.69 | -0.16 |
| Oct | 3.54 | 3.77 | -0.23 |
| Nov | 6.24 | 6.33 | -0.09 |
| Dec | 6.99 | 7.54 | -0.55 |
41.23 | 44.72 | -3.49 |