condition	mean	min	max
4 h after light	6.53106	4.62742	8.4347
8 h after light	3.780715	3.60307	3.95836
12 h after light	3.9235299999999995	3.08987	4.75719
4 h after dark	2.89129	1.74462	3.62214
8 h after dark	4.517096666666666	2.86657	6.93102
12 h after dark	6.955103333333333	5.58507	9.04647