condition	mean	min	max
3 h after light	8.161403333333334	7.25411	9.48384
6 h after light	6.762403333333333	5.22136	8.28264
9 h after light	10.90088	9.91924	12.3816
12 h after light	13.8404775	7.28351	16.8026
3 h after dark	16.6212	14.8932	18.9386
6 h after dark	18.1339	17.0846	18.7481
9 h after dark	11.118016666666668	8.30095	13.691
12 h after dark	5.608675	5.33401	5.88334