condition	mean	min	max
4 h after light	4.805365	4.11795	5.49278
8 h after light	5.277615	5.16549	5.38974
12 h after light	5.955095	5.20684	6.70335
4 h after dark	8.555879999999998	8.08565	9.02611
8 h after dark	8.241175	7.8826	8.59975
12 h after dark	7.22658	6.79693	7.65623