| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.02 | 6.46 | 0.56 |
| Feb | 6.85 | 6.78 | 0.07 |
| Mar | 6.22 | 5.85 | 0.37 |
| Apr | 3.35 | 3.11 | 0.24 |
| May | 1.93 | 1.96 | -0.03 |
| Jun | 0.55 | 0.50 | 0.05 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.06 | 0.07 | -0.01 |
| Sep | 0.36 | 0.34 | 0.02 |
| Oct | 1.97 | 1.77 | 0.20 |
| Nov | 4.29 | 4.11 | 0.18 |
| Dec | 7.33 | 6.57 | 0.76 |
39.94 | 37.52 | 2.42 |