condition	mean	min	max
0 h after light	7.956899999999999	7.34532	8.56848
4 h after light	4.299175	3.34458	5.25377
8 h after light	5.1045300000000005	4.59977	5.60929
4 h after dark	6.58633	6.48944	6.68322
8 h after dark	6.532725	6.01205	7.0534
12 h after dark	6.550865	6.20506	6.89667