condition	mean	min	max
3 h after light	10.20919	9.12727	10.9038
6 h after light	9.75085	9.18345	10.6811
9 h after light	9.216113333333332	7.39496	12.0114
12 h after light	10.8719675	6.94795	18.1752
3 h after dark	21.2511	18.8171	24.3065
6 h after dark	16.7616	16.1439	17.67
9 h after dark	14.440866666666667	13.5989	15.264
12 h after dark	15.12125	14.1706	16.0719