condition mean min max 4 h after light 197.89689399999997 163.072197 232.721591 8 h after light 228.74703599999998 209.366433 248.127639 12 h after light 236.0268055 231.616672 240.436939 4 h after dark 179.7327565 140.400852 219.064661 8 h after dark 172.3876565 160.474308 184.301005 12 h after dark 130.100142 130.100142 130.100142