condition mean min max 3 h after light 9.59944 8.12622 10.4391 6 h after light 10.16794 7.9289 12.6425 9 h after light 11.945233333333334 10.6218 13.9661 12 h after light 12.8752 11.26 14.2932 3 h after dark 14.568733333333332 13.6632 15.9987 6 h after dark 14.597166666666666 13.5734 15.9869 9 h after dark 10.90174 9.81822 12.7679 12 h after dark 10.20335 10.0882 10.3185