| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.84 | 3.94 | -0.10 |
| Feb | 3.52 | 3.56 | -0.04 |
| Mar | 4.07 | 4.01 | 0.06 |
| Apr | 3.10 | 3.15 | -0.05 |
| May | 3.21 | 3.12 | 0.09 |
| Jun | 4.30 | 4.37 | -0.07 |
| Jul | 3.95 | 4.08 | -0.13 |
| Aug | 4.22 | 4.49 | -0.27 |
| Sep | 3.79 | 3.96 | -0.17 |
| Oct | 3.25 | 3.36 | -0.11 |
| Nov | 3.24 | 3.35 | -0.11 |
| Dec | 4.05 | 4.06 | -0.01 |
44.54 | 45.45 | -0.91 |