condition	mean	min	max
4 h after light	902.6	902.6	902.6
8 h after light	988.45	932.7	1044.2
12 h after light	1091.25	1067.0	1115.5
4 h after dark	1146.15	1140.9	1151.4
8 h after dark	1037.95	996.5	1079.4
12 h after dark	921.25	880.4	962.1