condition mean min max 4 h after light 127.8460085 123.466148 132.225869 8 h after light 121.12977649999999 106.590468 135.669085 12 h after light 103.2158815 82.462289 123.969474 4 h after dark 76.4340065 63.428209 89.439804 8 h after dark 61.4257515 55.849418 67.002085 12 h after dark 78.090612 78.090612 78.090612