condition mean min max 2 h after light 50.971466666666664 46.9753 54.4607 6 h after light 43.8867 34.9889 50.7546 10 h after light 48.585300000000004 33.8932 65.1482 14 h after light 46.177566666666664 30.8718 64.3376 18 h after light 45.194316666666666 41.3815 51.7887 2 h after dark 75.1606 62.9875 87.3492