| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.53 | -0.20 |
| Feb | 3.02 | 3.14 | -0.12 |
| Mar | 3.33 | 3.28 | 0.05 |
| Apr | 2.96 | 3.02 | -0.06 |
| May | 3.08 | 3.15 | -0.07 |
| Jun | 6.57 | 6.58 | -0.01 |
| Jul | 5.55 | 6.04 | -0.49 |
| Aug | 6.79 | 6.50 | 0.29 |
| Sep | 6.37 | 6.62 | -0.25 |
| Oct | 4.34 | 4.51 | -0.17 |
| Nov | 2.07 | 1.99 | 0.08 |
| Dec | 2.85 | 2.99 | -0.14 |
50.26 | 51.35 | -1.09 |