condition	mean	min	max
4 h after light	499.7	499.7	499.7
8 h after light	568.65	362.7	774.6
12 h after light	754.25	623.8	884.7
4 h after dark	1092.5	853.3	1331.7
8 h after dark	933.75	889.9	977.6
12 h after dark	653.95	580.3	727.6