condition	mean	min	max
4 h after light	4.804885	4.58799	5.02178
8 h after light	4.25747	3.94712	4.56782
12 h after light	4.371615	4.02503	4.7182
4 h after dark	5.712745	4.82712	6.59837
8 h after dark	7.377185	7.19551	7.55886
12 h after dark	6.58836	6.35513	6.82159