| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.81 | 4.84 | -0.03 |
| Feb | 4.88 | 4.96 | -0.08 |
| Mar | 5.03 | 5.31 | -0.28 |
| Apr | 4.49 | 4.44 | 0.05 |
| May | 4.03 | 4.14 | -0.11 |
| Jun | 3.91 | 4.06 | -0.15 |
| Jul | 4.10 | 4.37 | -0.27 |
| Aug | 3.82 | 3.85 | -0.03 |
| Sep | 4.14 | 4.41 | -0.27 |
| Oct | 3.54 | 3.42 | 0.12 |
| Nov | 4.32 | 4.21 | 0.11 |
| Dec | 5.05 | 5.57 | -0.52 |
52.12 | 53.58 | -1.46 |