condition	mean	min	max
4 h after light	1077.6	1077.6	1077.6
8 h after light	1068.15	989.0	1147.3
12 h after light	783.35	590.2	976.5
4 h after dark	793.75	629.7	957.8
8 h after dark	1053.25	1052.3	1054.2
12 h after dark	1059.55	1019.0	1100.1