condition	mean	min	max
4 h after light	4.11223	3.6927	4.53176
8 h after light	3.379435	3.11752	3.64135
12 h after light	4.5629	4.54651	4.57929
4 h after dark	8.432536666666667	7.8616	9.44123
8 h after dark	7.39611	7.04286	7.82723
12 h after dark	5.394433333333334	5.27428	5.48279