condition	mean	min	max
4 h after light	9.248709999999999	9.18522	9.3122
8 h after light	12.09195	11.646	12.5379
12 h after light	12.046199999999999	11.9904	12.102
4 h after dark	15.75435	14.5411	16.9676
8 h after dark	14.0576	13.4677	14.6475
12 h after dark	11.834150000000001	11.4418	12.2265