condition	mean	min	max
0 h after light	5.880635	5.76649	5.99478
4 h after light	6.17035	5.57818	6.76252
8 h after light	6.87482	6.64522	7.10442
4 h after dark	6.478165000000001	6.19772	6.75861
8 h after dark	6.74302	6.15938	7.32666
12 h after dark	6.1873450000000005	5.42073	6.95396