condition mean min max 4 h after light 190.51730700000002 172.475154 208.55946 8 h after light 155.8501415 140.576723 171.12356 12 h after light 156.00825 118.94232 193.07418 4 h after dark 132.461863 122.772785 142.150941 8 h after dark 122.4360765 105.332404 139.539749 12 h after dark 281.47877 281.47877 281.47877