condition mean min max 4 h after light 2386.403 2166.283 2614.67 8 h after light 8432.093666666668 7420.76 9673.466 12 h after light 5933.796333333333 4740.465999999999 6902.681 16 h after light 4770.866 3666.48 6036.6630000000005 4 h after dark 3524.545 3323.578 3779.0170000000003 8 h after dark 1465.043 1067.441 1723.9879999999998