condition	mean	min	max
0 h after light	6.53174	6.52592	6.53756
4 h after light	3.312465	3.2171	3.40783
8 h after light	3.9585049999999997	3.15542	4.76159
4 h after dark	6.90565	5.84847	7.96283
8 h after dark	6.45701	5.7845	7.12952
12 h after dark	6.3727	5.65799	7.08741