| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.08 | 5.20 | -0.12 |
| Feb | 5.06 | 5.38 | -0.32 |
| Mar | 5.32 | 5.39 | -0.07 |
| Apr | 4.42 | 4.46 | -0.04 |
| May | 4.05 | 3.98 | 0.07 |
| Jun | 4.60 | 4.91 | -0.31 |
| Jul | 4.86 | 4.85 | 0.01 |
| Aug | 4.20 | 4.33 | -0.13 |
| Sep | 3.55 | 3.52 | 0.03 |
| Oct | 3.10 | 3.11 | -0.01 |
| Nov | 4.04 | 4.03 | 0.01 |
| Dec | 5.31 | 5.32 | -0.01 |
53.59 | 54.48 | -0.89 |