| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.18 | -0.06 |
| Feb | 1.00 | 1.18 | -0.18 |
| Mar | 1.13 | 1.24 | -0.11 |
| Apr | 1.52 | 1.59 | -0.07 |
| May | 1.47 | 1.53 | -0.06 |
| Jun | 1.05 | 0.99 | 0.06 |
| Jul | 1.39 | 1.32 | 0.07 |
| Aug | 1.55 | 1.34 | 0.21 |
| Sep | 1.52 | 1.49 | 0.03 |
| Oct | 1.37 | 1.27 | 0.10 |
| Nov | 1.05 | 1.29 | -0.24 |
| Dec | 0.98 | 1.13 | -0.15 |
15.15 | 15.55 | -0.40 |