| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.24 | 4.48 | -0.24 |
| Feb | 3.71 | 3.89 | -0.18 |
| Mar | 4.21 | 4.49 | -0.28 |
| Apr | 3.15 | 3.39 | -0.24 |
| May | 3.35 | 3.42 | -0.07 |
| Jun | 4.91 | 5.29 | -0.38 |
| Jul | 5.00 | 5.07 | -0.07 |
| Aug | 4.89 | 5.10 | -0.21 |
| Sep | 3.95 | 4.24 | -0.29 |
| Oct | 2.83 | 2.89 | -0.06 |
| Nov | 3.02 | 3.21 | -0.19 |
| Dec | 4.20 | 4.28 | -0.08 |
47.46 | 49.75 | -2.29 |