condition	mean	min	max
4 h after light	9.844475	8.27505	11.4139
8 h after light	6.2415199999999995	5.88237	6.60067
12 h after light	8.188525	7.89836	8.47869
4 h after dark	13.73605	12.396	15.0761
8 h after dark	11.5307	11.2398	11.8216
12 h after dark	12.58675	11.6384	13.5351