condition	mean	min	max
0 h after light	5.98287	5.29463	6.67111
4 h after light	10.45009	8.66448	12.2357
8 h after light	8.2135	8.05664	8.37036
4 h after dark	5.318655	4.82474	5.81257
8 h after dark	6.55995	6.34348	6.77642
12 h after dark	6.31005	6.07884	6.54126