condition	mean	min	max
4 h after light	4.433675	3.29099	5.57636
8 h after light	5.39236	4.9173	5.86742
12 h after light	6.266995	5.42256	7.11143
4 h after dark	9.272513333333334	8.82869	9.51416
8 h after dark	7.293876666666667	6.5285	8.07388
12 h after dark	6.740153333333334	5.91134	7.52393