condition	mean	min	max
4 h after light	63.6106	61.8562	65.365
8 h after light	63.61545	61.3343	65.8966
12 h after light	51.32385	50.4372	52.2105
4 h after dark	68.40895	62.4208	74.3971
8 h after dark	64.8048	64.1449	65.4647
12 h after dark	68.87035	66.2145	71.5262