condition	mean	min	max
4 h after light	23.104007000000003	20.578047	25.629967
8 h after light	18.3072115	16.777798	19.836625
12 h after light	15.7606905	14.357291	17.16409
4 h after dark	13.035043	11.82045	14.249636
8 h after dark	13.2124945	11.805043	14.619946
12 h after dark	33.269104	33.269104	33.269104