condition	mean	min	max
4 h after light	4.756235	4.39128	5.12119
8 h after light	7.63246	7.08096	8.18396
12 h after light	6.57044	6.23566	6.90522
4 h after dark	11.4163	10.0824	12.7502
8 h after dark	9.277125	9.24433	9.30992
12 h after dark	7.59504	7.11777	8.07231