condition mean min max 0 h after light 6.980725 6.80961 7.15184 4 h after light 6.28656 5.52272 7.0504 8 h after light 3.723095 3.47719 3.969 4 h after dark 5.1074850000000005 4.80019 5.41478 8 h after dark 6.841225 6.32681 7.35564 12 h after dark 8.7388 6.8553 10.6223