condition	mean	min	max
4 h after light	7686.1	7686.1	7686.1
8 h after light	7150.15	6808.0	7492.3
12 h after light	6685.950000000001	6296.8	7075.1
4 h after dark	6854.15	6418.9	7289.4
8 h after dark	7235.3	6777.0	7693.6
12 h after dark	7520.65	6754.3	8287.0