condition	mean	min	max
4 h after light	3.8135250000000003	3.67042	3.95663
8 h after light	4.998035	4.50944	5.48663
12 h after light	6.42356	6.02843	6.81869
4 h after dark	6.403510000000001	3.97766	8.01274
8 h after dark	5.172326666666667	3.67114	5.95734
12 h after dark	5.854363333333334	3.95118	7.94706