condition mean min max 4 h after light 0.0919915 0.0 0.183983 8 h after light 0.04968755 0.0 0.0993751 12 h after light 0.0804945 0.0 0.160989 4 h after dark 0.07994485 0.0538077 0.106082 8 h after dark 0.0265803 0.0 0.0531606 12 h after dark 0.09640085000000001 0.0881287 0.104673