condition mean min max 4 h after light 139.79414450000002 129.355385 150.232904 8 h after light 153.691755 145.843761 161.539749 12 h after light 152.0821135 144.82354 159.340687 4 h after dark 213.21235000000001 152.725748 273.698952 8 h after dark 206.74140549999998 161.561606 251.921205 12 h after dark 178.325924 178.325924 178.325924