condition	mean	min	max
4 h after light	6842.7	6842.7	6842.7
8 h after light	7800.6	7536.4	8064.8
12 h after light	8954.4	8724.9	9183.9
4 h after dark	8788.4	8376.3	9200.5
8 h after dark	8368.15	7818.8	8917.5
12 h after dark	7665.0	6802.5	8527.5