condition	mean	min	max
4 h after light	19.5156955	19.103151	19.92824
8 h after light	18.852003	15.599895	22.104111
12 h after light	16.999096	16.937878	17.060314
4 h after dark	13.950168999999999	13.829855	14.070483
8 h after dark	14.9169615	13.679553	16.15437
12 h after dark	21.29868	21.29868	21.29868