condition	mean	min	max
4 h after light	8.68594	8.33567	9.03621
8 h after light	10.9666	10.7327	11.2005
12 h after light	15.30935	14.006	16.6127
4 h after dark	16.14745	15.2561	17.0388
8 h after dark	12.551	12.2113	12.8907
12 h after dark	13.837299999999999	12.5671	15.1075