condition mean min max 4 h after light 59.72775 53.9207 65.5348 8 h after light 55.0351 53.5634 56.5068 12 h after light 52.4974 51.8099 53.1849 4 h after dark 89.51795 84.4932 94.5427 8 h after dark 97.93199999999999 97.0165 98.8475 12 h after dark 87.5189 86.3828 88.655