condition	mean	min	max
4 h after light	7267.2	7267.2	7267.2
8 h after light	7657.3	6595.1	8719.5
12 h after light	7417.85	7300.6	7535.1
4 h after dark	6381.5	5917.8	6845.2
8 h after dark	5939.4	5773.2	6105.6
12 h after dark	5540.35	5116.1	5964.6