| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.41 | 7.41 | 0.00 |
| Feb | 6.68 | 6.47 | 0.21 |
| Mar | 5.51 | 5.47 | 0.04 |
| Apr | 2.63 | 3.11 | -0.48 |
| May | 1.45 | 1.50 | -0.05 |
| Jun | 0.39 | 0.46 | -0.07 |
| Jul | 0.02 | 0.05 | -0.03 |
| Aug | 0.08 | 0.07 | 0.01 |
| Sep | 0.21 | 0.21 | 0.00 |
| Oct | 1.85 | 1.95 | -0.10 |
| Nov | 4.06 | 4.37 | -0.31 |
| Dec | 7.65 | 8.07 | -0.42 |
37.94 | 39.14 | -1.20 |