| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.39 | -0.30 |
| Feb | 1.13 | 1.54 | -0.41 |
| Mar | 1.23 | 1.63 | -0.40 |
| Apr | 1.51 | 2.01 | -0.50 |
| May | 1.35 | 1.39 | -0.04 |
| Jun | 0.91 | 0.86 | 0.05 |
| Jul | 1.82 | 1.93 | -0.11 |
| Aug | 1.88 | 2.05 | -0.17 |
| Sep | 1.29 | 1.37 | -0.08 |
| Oct | 1.06 | 1.21 | -0.15 |
| Nov | 1.03 | 1.30 | -0.27 |
| Dec | 0.99 | 1.33 | -0.34 |
15.29 | 18.01 | -2.72 |