condition mean min max 0 h after light 6.311730000000001 5.77596 6.8475 4 h after light 4.655995 4.35191 4.96008 8 h after light 4.10274 3.91775 4.28773 4 h after dark 5.735094999999999 4.95435 6.51584 8 h after dark 5.6892 5.29115 6.08725 12 h after dark 5.47377 4.95264 5.9949