condition mean min max 3 h after light 4.0258 1.34849 13.0066 7 h after light 5.436849166666667 2.13244 13.105 11 h after light 2.9823961666666667 0.768484 7.37476 2 h after dark 2.6995145 0.495744 4.36544 6 h after dark 4.8053375 1.85065 7.88624 10 h after dark 3.834683666666667 0.995774 11.3756