condition mean min max 3 h after light 40.3593 38.6553 42.3017 6 h after light 34.815133333333335 27.8872 41.7312 9 h after light 40.124833333333335 38.2389 43.2935 12 h after light 41.2915 39.0244 44.9189 3 h after dark 62.6559 52.3569 70.4831 6 h after dark 74.5189 71.9629 77.4612 9 h after dark 71.02773333333333 58.0259 86.3824 12 h after dark 59.05436666666667 46.9816 73.8916