condition	mean	min	max
4 h after light	7.04294	4.82848	8.46794
8 h after light	6.840373333333333	1.71002	12.4377
12 h after light	7.7731200000000005	4.26233	11.9299
4 h after dark	11.461146666666666	8.24934	15.148
8 h after dark	12.550746666666667	9.06074	15.2007
12 h after dark	11.50796	8.86088	14.9701