condition	mean	min	max
4 h after light	1.403985	1.19344	1.61453
8 h after light	1.422305	1.22345	1.62116
12 h after light	1.0436325	0.932755	1.15451
4 h after dark	1.298444	0.888902	1.99074
8 h after dark	1.039432	0.922676	1.14248
12 h after dark	1.154684	0.913172	1.44651