condition	mean	min	max
4 h after light	6.83326	6.55216	7.24765
8 h after light	10.97875	10.643419999999999	11.19225
12 h after light	7.98688	7.73917	8.22118
4 h after dark	7.979653333333332	7.674239999999999	8.30078
8 h after dark	7.438596666666666	6.97063	7.751519999999999
12 h after dark	6.399376666666667	6.22808	6.4859800000000005