condition	mean	min	max
4 h after light	7357.7	7357.7	7357.7
8 h after light	7010.6	6783.0	7238.2
12 h after light	8238.05	6862.4	9613.7
4 h after dark	8412.8	7033.1	9792.5
8 h after dark	9046.95	9031.4	9062.5
12 h after dark	9141.4	8893.5	9389.3