condition mean min max 3 h after light 3.134965 1.30574 6.25388 7 h after light 3.7744791666666666 2.00799 8.45199 11 h after light 2.3680971666666664 0.42469 5.9147 2 h after dark 2.7838275 1.02353 8.8353 6 h after dark 2.1363849166666666 0.606806 4.1379 10 h after dark 2.1516816666666667 0.0 4.08556