condition	mean	min	max
0 h after light	17.378149999999998	17.0112	17.7451
4 h after light	16.167900000000003	15.9539	16.3819
8 h after light	16.04515	14.2131	17.8772
4 h after dark	15.9391	14.7982	17.08
8 h after dark	18.41135	17.7192	19.1035
12 h after dark	16.47145	15.5646	17.3783