condition mean min max 0 h after light 2.230185 1.97482 2.48555 4 h after light 2.9592 2.70725 3.21115 8 h after light 8.94005 8.63738 9.24272 4 h after dark 11.594249999999999 10.1411 13.0474 8 h after dark 6.7367550000000005 6.21404 7.25947 12 h after dark 2.7454349999999996 2.22543 3.26544