| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.49 | 1.51 | -0.02 |
| Feb | 1.36 | 1.47 | -0.11 |
| Mar | 1.59 | 1.86 | -0.27 |
| Apr | 2.08 | 2.39 | -0.31 |
| May | 2.00 | 2.07 | -0.07 |
| Jun | 0.93 | 1.03 | -0.10 |
| Jul | 0.56 | 0.62 | -0.06 |
| Aug | 0.70 | 0.77 | -0.07 |
| Sep | 1.22 | 1.15 | 0.07 |
| Oct | 1.51 | 1.48 | 0.03 |
| Nov | 1.19 | 1.46 | -0.27 |
| Dec | 1.53 | 1.57 | -0.04 |
16.16 | 17.38 | -1.22 |