condition	mean	min	max
0 h after light	15.587150000000001	15.5532	15.6211
4 h after light	9.269855	8.01511	10.5246
8 h after light	6.526275	6.49729	6.55526
4 h after dark	9.34995	8.76682	9.93308
8 h after dark	10.024014999999999	9.46703	10.581
12 h after dark	12.838049999999999	10.7445	14.9316