condition	mean	min	max
4 h after light	6.33699	4.12742	8.54656
8 h after light	7.704805	7.46683	7.94278
12 h after light	9.58799	7.74208	11.4339
4 h after dark	14.247866666666667	13.1726	15.371
8 h after dark	9.797783333333333	8.19495	11.1685
12 h after dark	7.90428	4.68999	9.54844