| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.39 | -0.21 |
| Feb | 1.12 | 1.32 | -0.20 |
| Mar | 0.99 | 1.18 | -0.19 |
| Apr | 1.50 | 1.52 | -0.02 |
| May | 1.61 | 1.75 | -0.14 |
| Jun | 1.21 | 1.32 | -0.11 |
| Jul | 1.63 | 1.71 | -0.08 |
| Aug | 1.69 | 1.97 | -0.28 |
| Sep | 1.49 | 1.52 | -0.03 |
| Oct | 1.19 | 1.23 | -0.04 |
| Nov | 1.00 | 1.12 | -0.12 |
| Dec | 1.14 | 1.28 | -0.14 |
15.75 | 17.31 | -1.56 |