condition	mean	min	max
4 h after light	15.6090655	14.315627	16.902504
8 h after light	14.7684415	11.962046	17.574837
12 h after light	12.725009	12.33323	13.116788
4 h after dark	14.5310375	12.802768	16.259307
8 h after dark	14.286837	13.988604	14.58507
12 h after dark	13.114909	13.114909	13.114909