condition	mean	min	max
0 h after light	8.013565	7.6401	8.38703
4 h after light	5.198895	5.12396	5.27383
8 h after light	5.96969	5.81046	6.12892
4 h after dark	7.681675	7.67692	7.68643
8 h after dark	7.19914	6.90776	7.49052
12 h after dark	7.694284999999999	7.20269	8.18588