| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.20 | 0.28 |
| Feb | 2.39 | 2.14 | 0.25 |
| Mar | 2.05 | 1.94 | 0.11 |
| Apr | 1.23 | 1.35 | -0.12 |
| May | 1.14 | 1.23 | -0.09 |
| Jun | 0.82 | 0.82 | 0.00 |
| Jul | 0.37 | 0.41 | -0.04 |
| Aug | 0.33 | 0.29 | 0.04 |
| Sep | 0.69 | 0.61 | 0.08 |
| Oct | 2.19 | 1.93 | 0.26 |
| Nov | 3.34 | 2.97 | 0.37 |
| Dec | 3.82 | 3.61 | 0.21 |
21.85 | 20.50 | 1.35 |