| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.75 | -0.40 |
| Feb | 2.94 | 3.24 | -0.30 |
| Mar | 4.20 | 4.42 | -0.22 |
| Apr | 3.82 | 4.10 | -0.28 |
| May | 3.37 | 3.42 | -0.05 |
| Jun | 3.91 | 3.91 | 0.00 |
| Jul | 3.37 | 3.24 | 0.13 |
| Aug | 3.89 | 3.93 | -0.04 |
| Sep | 3.84 | 3.78 | 0.06 |
| Oct | 3.94 | 4.31 | -0.37 |
| Nov | 3.36 | 3.49 | -0.13 |
| Dec | 4.30 | 4.65 | -0.35 |
44.29 | 46.24 | -1.95 |