| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.34 | -0.03 |
| Feb | 3.32 | 3.40 | -0.08 |
| Mar | 4.55 | 4.55 | 0.00 |
| Apr | 4.39 | 4.46 | -0.07 |
| May | 5.06 | 5.15 | -0.09 |
| Jun | 4.84 | 4.84 | 0.00 |
| Jul | 5.09 | 4.71 | 0.38 |
| Aug | 3.44 | 3.26 | 0.18 |
| Sep | 3.54 | 3.41 | 0.13 |
| Oct | 3.39 | 3.42 | -0.03 |
| Nov | 3.18 | 3.05 | 0.13 |
| Dec | 3.84 | 3.95 | -0.11 |
47.95 | 47.54 | 0.41 |