condition mean min max 0 h after light 0.0349875 0.0 0.069975 4 h after light 0.0344343 0.0 0.0688686 8 h after light 0.2098155 0.177759 0.241872 4 h after dark 0.1546255 0.137746 0.171505 8 h after dark 0.206817 0.104061 0.309573 12 h after dark 0.06899685 0.0682371 0.0697566