| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.36 | 5.41 | -0.05 |
| Feb | 5.65 | 5.70 | -0.05 |
| Mar | 5.40 | 5.37 | 0.03 |
| Apr | 5.96 | 6.15 | -0.19 |
| May | 4.14 | 4.24 | -0.10 |
| Jun | 4.18 | 3.97 | 0.21 |
| Jul | 5.08 | 5.02 | 0.06 |
| Aug | 4.37 | 4.78 | -0.41 |
| Sep | 3.86 | 3.55 | 0.31 |
| Oct | 3.90 | 3.87 | 0.03 |
| Nov | 4.40 | 4.55 | -0.15 |
| Dec | 5.18 | 5.11 | 0.07 |
57.48 | 57.72 | -0.24 |