condition mean min max 0 h after light 3.082415 3.02223 3.1426 2 h after light 1.60234 1.51113 1.69355 4 h after light 2.041865 1.66042 2.42331 8 h after light 1.921785 1.81746 2.02611 12 h after light 4.058535 3.95588 4.16119 2 h after dark 4.19161 3.36477 5.01845 4 h after dark 4.357245 3.86617 4.84832 8 h after dark 3.8336250000000005 3.44044 4.22681 12 h after dark 3.906285 3.74237 4.0702