condition	mean	min	max
4 h after light	1229.4	1229.4	1229.4
8 h after light	1075.5	706.5	1444.5
12 h after light	887.95	873.2	902.7
4 h after dark	870.55	728.5	1012.6
8 h after dark	912.95	896.2	929.7
12 h after dark	1245.5	1157.5	1333.5