| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.31 | -0.14 |
| Feb | 1.04 | 1.29 | -0.25 |
| Mar | 1.19 | 1.21 | -0.02 |
| Apr | 1.68 | 1.86 | -0.18 |
| May | 1.65 | 1.81 | -0.16 |
| Jun | 0.87 | 1.10 | -0.23 |
| Jul | 0.93 | 1.00 | -0.07 |
| Aug | 1.12 | 1.24 | -0.12 |
| Sep | 1.49 | 1.66 | -0.17 |
| Oct | 1.46 | 1.65 | -0.19 |
| Nov | 1.19 | 1.28 | -0.09 |
| Dec | 1.28 | 1.36 | -0.08 |
15.07 | 16.77 | -1.70 |