| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.26 | 1.51 | -0.25 |
| Feb | 1.20 | 1.39 | -0.19 |
| Mar | 1.06 | 1.21 | -0.15 |
| Apr | 1.02 | 1.14 | -0.12 |
| May | 1.00 | 1.14 | -0.14 |
| Jun | 0.60 | 0.61 | -0.01 |
| Jul | 1.77 | 1.83 | -0.06 |
| Aug | 2.04 | 2.21 | -0.17 |
| Sep | 1.65 | 1.84 | -0.19 |
| Oct | 1.35 | 1.55 | -0.20 |
| Nov | 1.17 | 1.33 | -0.16 |
| Dec | 1.26 | 1.39 | -0.13 |
15.38 | 17.15 | -1.77 |