condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.048125266666666666 0.0 0.0741418 9 h after light 0.0308602 0.0 0.0925806 12 h after light 0.074997 0.0 0.224991 3 h after dark 0.021638233333333336 0.0 0.0649147 6 h after dark 0.147363 0.060818 0.245566 9 h after dark 0.0228979 0.0 0.0686937 12 h after dark 0.09176196666666667 0.0 0.190795