condition mean min max 4 h after light 62.192099 56.229773 68.154425 8 h after light 73.2049655 65.270849 81.139082 12 h after light 68.8919535 65.164298 72.619609 4 h after dark 93.854883 83.188541 104.521225 8 h after dark 108.5023075 85.232184 131.772431 12 h after dark 73.470825 73.470825 73.470825