condition mean min max 3 h after light 1.2386135 0.305153 1.87965 7 h after light 1.6472875 1.06195 2.61059 11 h after light 1.8083009166666666 0.565301 3.26339 2 h after dark 1.8099178333333332 0.896098 2.72017 6 h after dark 1.7159528333333334 0.724383 3.26983 10 h after dark 1.0379489166666667 0.407697 1.63518