condition	mean	min	max
4 h after light	20.1379195	17.477313	22.798526
8 h after light	20.344685	18.085018	22.604352
12 h after light	27.3744145	22.500222	32.248607
4 h after dark	16.665830999999997	15.800106	17.531556
8 h after dark	14.117555	11.484174	16.750936
12 h after dark	19.966779	19.966779	19.966779