| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.29 | -0.20 |
| Feb | 1.13 | 1.43 | -0.30 |
| Mar | 1.23 | 1.57 | -0.34 |
| Apr | 1.51 | 1.92 | -0.41 |
| May | 1.35 | 1.35 | 0.00 |
| Jun | 0.91 | 0.88 | 0.03 |
| Jul | 1.82 | 1.84 | -0.02 |
| Aug | 1.88 | 1.98 | -0.10 |
| Sep | 1.29 | 1.34 | -0.05 |
| Oct | 1.06 | 1.17 | -0.11 |
| Nov | 1.03 | 1.24 | -0.21 |
| Dec | 0.99 | 1.24 | -0.25 |
15.29 | 17.25 | -1.96 |