| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 12.28 | 13.49 | -1.21 |
| Feb | 9.63 | 10.82 | -1.19 |
| Mar | 9.79 | 11.13 | -1.34 |
| Apr | 6.75 | 7.46 | -0.71 |
| May | 3.47 | 3.59 | -0.12 |
| Jun | 1.41 | 1.82 | -0.41 |
| Jul | 0.27 | 0.28 | -0.01 |
| Aug | 0.33 | 0.39 | -0.06 |
| Sep | 1.16 | 1.52 | -0.36 |
| Oct | 4.71 | 5.35 | -0.64 |
| Nov | 9.56 | 10.78 | -1.22 |
| Dec | 14.69 | 16.45 | -1.76 |
74.05 | 83.08 | -9.03 |