condition	mean	min	max
0 h after light	18.587449999999997	17.7355	19.4394
4 h after light	11.294699999999999	11.1089	11.4805
8 h after light	8.7011	7.84436	9.55784
4 h after dark	16.7333	16.253	17.2136
8 h after dark	15.052399999999999	12.2265	17.8783
12 h after dark	15.7002	12.2301	19.1703