condition	mean	min	max
4 h after light	9885.2	9885.2	9885.2
8 h after light	8604.5	7068.2	10140.8
12 h after light	6535.2	6187.0	6883.4
4 h after dark	5921.55	5279.8	6563.3
8 h after dark	7746.3	6668.9	8823.7
12 h after dark	10319.15	8938.4	11699.9