condition	mean	min	max
4 h after light	18.6482	15.5655	21.7309
8 h after light	13.654150000000001	13.1224	14.1859
12 h after light	18.7442	17.9846	19.5038
4 h after dark	25.4974	23.9378	27.6102
8 h after dark	29.188633333333332	26.2504	31.8579
12 h after dark	20.302266666666668	20.1605	20.5531