condition	mean	min	max
4 h after light	15.7294775	14.577886	16.881069
8 h after light	15.36431	13.511135	17.217485
12 h after light	20.0169455	19.620455	20.413436
4 h after dark	19.318404	17.128875	21.507933
8 h after dark	19.876275999999997	16.575646	23.176906
12 h after dark	14.895302	14.895302	14.895302