condition	mean	min	max
4 h after light	3507.7	3507.7	3507.7
8 h after light	3396.95	3239.4	3554.5
12 h after light	3126.2	3075.6	3176.8
4 h after dark	3538.3	2956.6	4120.0
8 h after dark	3658.85	3564.6	3753.1
12 h after dark	3630.7	3540.6	3720.8