| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.18 | -0.11 |
| Feb | 1.08 | 1.15 | -0.07 |
| Mar | 1.36 | 1.42 | -0.06 |
| Apr | 1.39 | 1.70 | -0.31 |
| May | 2.06 | 2.19 | -0.13 |
| Jun | 2.88 | 2.98 | -0.10 |
| Jul | 1.95 | 2.64 | -0.69 |
| Aug | 1.98 | 2.05 | -0.07 |
| Sep | 5.38 | 5.69 | -0.31 |
| Oct | 3.32 | 3.48 | -0.16 |
| Nov | 1.73 | 1.81 | -0.08 |
| Dec | 1.28 | 1.32 | -0.04 |
25.48 | 27.61 | -2.13 |