condition mean min max 4 h after light 3.002275 2.6142 3.39035 8 h after light 3.606885 3.17983 4.03394 12 h after light 5.276265 4.62436 5.92817 4 h after dark 7.133073333333333 6.60866 7.84803 8 h after dark 5.57049 4.97004 5.95693 12 h after dark 3.9726566666666665 3.59261 4.37583