condition mean min max 3 h after light 0.851095 0.166735 1.30987 6 h after light 0.2685183333333333 0.11022 0.576789 9 h after light 0.5942193333333333 0.259761 1.17061 12 h after light 2.81187125 0.0 10.5491 3 h after dark 0.10157866666666666 0.0 0.169669 6 h after dark 0.54379 0.0 1.63137 9 h after dark 0.1730439 0.0990887 0.245677 12 h after dark 3.63868 2.80508 4.47228