condition	mean	min	max
0 h after light	7.2881350000000005	6.5793	7.99697
4 h after light	6.067705	5.82842	6.30699
8 h after light	4.989755	4.31044	5.66907
4 h after dark	6.43069	6.10069	6.76069
8 h after dark	6.29918	6.01873	6.57963
12 h after dark	5.9101	5.78688	6.03332