condition	mean	min	max
4 h after light	6.063008333333333	5.5313550000000005	6.436649
8 h after light	3.259029	1.475899	5.646471
12 h after light	6.257232999999999	3.515657	9.03817
16 h after light	9.140895666666667	8.765188	9.434365
4 h after dark	7.911247333333333	5.778362	10.31444
8 h after dark	3.506283333333333	1.670534	4.611589