condition	mean	min	max
4 h after light	13.960276666666667	11.422039999999999	16.87864
8 h after light	9.023420666666667	3.582666	14.96605
12 h after light	16.416956666666668	14.064789999999999	18.33446
16 h after light	16.093544	9.772002	19.94934
4 h after dark	18.45894	13.21328	22.98684
8 h after dark	11.403606	7.806688	15.22225