condition	mean	min	max
4 h after light	8.528895	7.09412	9.96367
8 h after light	6.34439	5.69462	6.99416
12 h after light	6.150855	5.49063	6.81108
4 h after dark	9.745255	8.27481	11.2157
8 h after dark	6.688005	6.4369	6.93911
12 h after dark	9.492695000000001	9.47652	9.50887