condition	mean	min	max
0 h after light	7.594620000000001	7.58785	7.60139
4 h after light	4.333825	3.89617	4.77148
8 h after light	5.40364	4.84705	5.96023
4 h after dark	7.61285	7.06931	8.15639
8 h after dark	5.9965150000000005	5.72623	6.2668
12 h after dark	6.621544999999999	6.41416	6.82893