condition	mean	min	max
4 h after light	5.7571200000000005	5.40562	6.10862
8 h after light	7.741075	7.58372	7.89843
12 h after light	7.882365	7.30926	8.45547
4 h after dark	10.6511	10.3455	10.8086
8 h after dark	8.81908	8.64244	8.93566
12 h after dark	8.066419999999999	7.26146	8.99396