condition	mean	min	max
4 h after light	4.047465	3.17383	4.9211
8 h after light	3.58484	3.44905	3.72063
12 h after light	5.74467	5.34314	6.1462
4 h after dark	7.04567	6.68527	7.30459
8 h after dark	7.09947	6.25959	7.80297
12 h after dark	4.141126666666667	4.04321	4.22557