condition	mean	min	max
4 h after light	7.563680000000001	7.13535	7.919460000000001
8 h after light	6.488176666666667	6.17344	6.97094
12 h after light	5.754733333333333	5.50673	5.96287
4 h after dark	6.0269900000000005	5.95253	6.118040000000001
8 h after dark	5.91999	5.78225	6.13135
12 h after dark	7.719586666666666	7.45827	7.86752