condition	mean	min	max
4 h after light	7082.39	6677.14	7487.64
8 h after light	10136.375	9841.95	10430.8
12 h after light	11859.25	11654.5	12064.0
4 h after dark	7897.035	7407.62	8386.45
8 h after dark	8303.695	8031.59	8575.8
12 h after dark	7446.96	7190.92	7703.0