| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.49 | -0.15 |
| Feb | 1.26 | 1.50 | -0.24 |
| Mar | 1.49 | 1.88 | -0.39 |
| Apr | 1.93 | 2.25 | -0.32 |
| May | 1.91 | 2.09 | -0.18 |
| Jun | 0.93 | 0.99 | -0.06 |
| Jul | 0.56 | 0.75 | -0.19 |
| Aug | 0.63 | 0.78 | -0.15 |
| Sep | 1.14 | 1.23 | -0.09 |
| Oct | 1.38 | 1.46 | -0.08 |
| Nov | 1.17 | 1.48 | -0.31 |
| Dec | 1.44 | 1.51 | -0.07 |
15.18 | 17.41 | -2.23 |