condition	mean	min	max
4 h after light	4.20698	3.84279	4.57117
8 h after light	3.797715	3.789	3.80643
12 h after light	3.71795	3.66656	3.76934
4 h after dark	11.49785	10.7508	12.2449
8 h after dark	7.450654999999999	7.26444	7.63687
12 h after dark	7.139715000000001	6.9351	7.34433