condition	mean	min	max
4 h after light	4.71176	4.58381	4.83971
8 h after light	3.0393600000000003	2.59916	3.47956
12 h after light	3.3540349999999997	2.68901	4.01906
4 h after dark	3.5365366666666667	3.29079	3.90956
8 h after dark	7.458443333333333	7.04118	7.75396
12 h after dark	4.52254	4.03836	5.18981