condition	mean	min	max
4 h after light	4.89234	4.56259	5.06838
8 h after light	4.40083	4.10332	4.71974
12 h after light	4.388213333333333	4.2414	4.502669999999999
4 h after dark	4.45714	4.2397800000000005	4.632219999999999
8 h after dark	4.47523	4.32397	4.76405
12 h after dark	4.749403333333333	4.51154	4.9276599999999995