condition	mean	min	max
4 h after light	16.262796	15.10355	17.422042
8 h after light	14.114037	13.47938	14.748694
12 h after light	15.152436999999999	13.679553	16.625321
4 h after dark	14.487874999999999	12.557837	16.417913
8 h after dark	15.019937500000001	14.841549	15.198326
12 h after dark	13.475628	13.475628	13.475628