condition	mean	min	max
4 h after light	9.23763	8.97236	9.5029
8 h after light	5.939465	5.66399	6.21494
12 h after light	7.296735	6.72073	7.87274
4 h after dark	11.3363	10.9583	11.7143
8 h after dark	10.90995	10.6879	11.132
12 h after dark	11.222999999999999	10.9221	11.5239