condition	mean	min	max
4 h after light	35.72105	32.4081	39.034
8 h after light	26.90005	26.1393	27.6608
12 h after light	17.90025	12.547	23.2535
4 h after dark	35.16205	27.6078	42.7163
8 h after dark	56.731300000000005	53.3868	60.0758
12 h after dark	73.6914	69.5432	77.8396