condition mean min max 0 h after light 16.8677 5.2855 28.4499 2 h after light 8.26193 5.93406 10.5898 4 h after light 7.96095 5.181 10.7409 8 h after light 5.4378 0.0 10.8756 12 h after light 12.06665 0.0 24.1333 2 h after dark 8.8743 0.0 17.7486 4 h after dark 5.08005 0.0 10.1601 8 h after dark 20.48955 17.1992 23.7799 12 h after dark 13.88905 10.8521 16.926