condition mean min max 3 h after light 12.986394166666667 2.8665 27.0952 7 h after light 14.396681666666666 1.82589 39.4124 11 h after light 17.58309 3.94123 41.8682 2 h after dark 24.765974166666666 4.44476 58.7544 6 h after dark 23.1554575 6.68415 58.5905 10 h after dark 20.755465833333332 3.92701 50.6023