condition	mean	min	max
4 h after light	1170.5	1170.5	1170.5
8 h after light	916.85	879.2	954.5
12 h after light	887.0	766.0	1008.0
4 h after dark	953.8	801.3	1106.3
8 h after dark	892.2	784.3	1000.1
12 h after dark	1032.65	889.5	1175.8