condition mean min max 0 h after light 77.6959 69.0642 86.3276 4 h after light 135.9105 130.015 141.806 8 h after light 117.334 111.266 123.402 4 h after dark 92.01125 79.7155 104.307 8 h after dark 102.049 101.105 102.993 12 h after dark 89.52595 88.1418 90.9101