condition	mean	min	max
4 h after light	25.92961	9.06082	42.7984
8 h after light	20.399549999999998	20.3772	20.4219
12 h after light	18.981925	9.79635	28.1675
4 h after dark	6.80006	6.26567	7.33445
8 h after dark	10.032405	9.67241	10.3924
12 h after dark	14.317599999999999	11.2999	17.3353