| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.01 | 10.09 | -1.08 |
| Feb | 6.88 | 7.29 | -0.41 |
| Mar | 6.47 | 7.31 | -0.84 |
| Apr | 4.45 | 5.18 | -0.73 |
| May | 2.41 | 2.87 | -0.46 |
| Jun | 1.34 | 1.67 | -0.33 |
| Jul | 0.30 | 0.34 | -0.04 |
| Aug | 0.48 | 0.53 | -0.05 |
| Sep | 1.66 | 1.87 | -0.21 |
| Oct | 4.65 | 5.14 | -0.49 |
| Nov | 8.80 | 9.88 | -1.08 |
| Dec | 10.94 | 12.24 | -1.30 |
57.39 | 64.41 | -7.02 |