condition mean min max 0 h after light 1.231175 1.16917 1.29318 4 h after light 7.59098 3.03966 12.1423 8 h after light 3.3632150000000003 2.89534 3.83109 4 h after dark 19.16306 3.95082 34.3753 8 h after dark 2.94825 2.91114 2.98536 12 h after dark 2.9515200000000004 1.44338 4.45966