condition	mean	min	max
4 h after light	5.26163	4.23597	6.28729
8 h after light	5.04552	4.72053	5.37051
12 h after light	6.640175	5.63262	7.64773
4 h after dark	3.6682766666666664	3.02826	4.63793
8 h after dark	4.779213333333333	4.12641	5.49484
12 h after dark	5.112023333333333	4.02435	6.19034