condition mean min max 3 h after light 102.30163333333333 88.7245 121.978 6 h after light 144.163 132.87 161.145 9 h after light 122.51733333333334 116.174 134.161 12 h after light 77.972525 63.9752 92.6443 3 h after dark 56.812666666666665 48.8841 62.2401 6 h after dark 50.4835 43.1616 59.9986 9 h after dark 56.120133333333335 48.4362 60.0455 12 h after dark 74.3512 63.1593 85.5431