condition mean min max 4 h after light 2.1209890000000002 0.716157 3.55662 8 h after light 2.6692766666666667 1.11579 4.03556 12 h after light 4.07044 2.61183 4.82564 4 h after dark 2.9668433333333333 2.53817 3.60722 8 h after dark 4.87672 4.53382 5.52957 12 h after dark 4.19536 3.91002 4.6441