condition	mean	min	max
4 h after light	1096.0	1096.0	1096.0
8 h after light	970.85	878.0	1063.7
12 h after light	989.05	893.5	1084.6
4 h after dark	906.95	820.0	993.9
8 h after dark	903.05	835.4	970.7
12 h after dark	755.6	683.0	828.2