condition	mean	min	max
4 h after light	14.16205	11.9159	16.4082
8 h after light	13.422550000000001	12.2604	14.5847
12 h after light	17.2017	15.719	18.6844
4 h after dark	21.870966666666668	18.9986	24.719
8 h after dark	18.883300000000002	18.137	19.5925
12 h after dark	16.681966666666668	15.6784	17.9502