condition	mean	min	max
4 h after light	6.124913333333333	4.52187	7.68373
8 h after light	4.95993	1.17779	8.22397
12 h after light	6.943826666666666	4.30817	10.1209
4 h after dark	8.072576666666667	6.7831	9.587
8 h after dark	6.64477	5.95993	7.27538
12 h after dark	7.02724	6.05743	8.83823