| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.61 | -0.39 |
| Feb | 2.84 | 3.18 | -0.34 |
| Mar | 3.90 | 4.12 | -0.22 |
| Apr | 3.93 | 4.24 | -0.31 |
| May | 3.46 | 3.48 | -0.02 |
| Jun | 4.14 | 4.05 | 0.09 |
| Jul | 3.89 | 4.03 | -0.14 |
| Aug | 3.91 | 3.83 | 0.08 |
| Sep | 4.03 | 4.10 | -0.07 |
| Oct | 4.52 | 4.87 | -0.35 |
| Nov | 3.59 | 3.89 | -0.30 |
| Dec | 4.11 | 4.50 | -0.39 |
45.54 | 47.90 | -2.36 |