| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.20 | -0.08 |
| Feb | 1.00 | 1.18 | -0.18 |
| Mar | 1.13 | 1.26 | -0.13 |
| Apr | 1.52 | 1.61 | -0.09 |
| May | 1.47 | 1.53 | -0.06 |
| Jun | 1.05 | 1.01 | 0.04 |
| Jul | 1.39 | 1.32 | 0.07 |
| Aug | 1.55 | 1.34 | 0.21 |
| Sep | 1.52 | 1.49 | 0.03 |
| Oct | 1.37 | 1.28 | 0.09 |
| Nov | 1.05 | 1.30 | -0.25 |
| Dec | 0.98 | 1.13 | -0.15 |
15.15 | 15.65 | -0.50 |