condition	mean	min	max
4 h after light	7.56074	7.4602699999999995	7.73782
8 h after light	7.57171	7.508780000000001	7.65332
12 h after light	7.810873333333333	7.561939999999999	7.97468
4 h after dark	7.635643333333333	7.515569999999999	7.82815
8 h after dark	7.1860066666666675	6.975630000000001	7.467860000000001
12 h after dark	7.139506666666667	7.0113	7.25661