condition	mean	min	max
4 h after light	5.75244	5.30443	6.20045
8 h after light	3.3883599999999996	3.31471	3.46201
12 h after light	4.5949100000000005	4.29589	4.89393
4 h after dark	7.495465	6.89193	8.099
8 h after dark	6.26523	6.21791	6.31255
12 h after dark	6.28598	6.10123	6.47073