condition	mean	min	max
4 h after light	9.67346	6.283530000000001	12.54995
8 h after light	4.9822326666666665	1.9654939999999999	7.344233999999999
12 h after light	3.8637913333333334	1.447915	5.501741
16 h after light	7.448388333333334	3.806922	9.331608000000001
4 h after dark	5.436711666666667	4.17566	7.6467410000000005
8 h after dark	5.437132666666667	3.3743800000000004	6.589146