condition	mean	min	max
4 h after light	17.3251375	16.218377	18.431898
8 h after light	22.700967	22.213822	23.188112
12 h after light	25.542057999999997	24.037049	27.047067
4 h after dark	19.731885	19.444704	20.019066
8 h after dark	18.77163	15.415507	22.127753
12 h after dark	15.387727	15.387727	15.387727