condition mean min max 3 h after light 49.312133333333335 43.1901 58.4495 6 h after light 62.339800000000004 53.5183 68.8495 9 h after light 55.43553333333333 35.0894 70.5106 12 h after light 47.63395 30.8262 62.1247 3 h after dark 53.2878 47.5941 60.4594 6 h after dark 38.57676666666667 33.5688 42.2017 9 h after dark 48.162533333333336 37.6019 54.8708 12 h after dark 50.54275 46.6878 54.3977