condition	mean	min	max
4 h after light	2.330275	1.95776	2.70279
8 h after light	2.8170349999999997	2.58397	3.0501
12 h after light	3.304485	2.83801	3.77096
4 h after dark	8.51783	7.82556	9.2101
8 h after dark	5.64404	5.50572	5.78236
12 h after dark	5.21832	4.84374	5.5929