condition mean min max 3 h after light 0.8793347499999999 0.553848 1.69915 7 h after light 1.1794904166666667 0.510286 2.08512 11 h after light 1.1586 0.705289 1.98494 2 h after dark 0.99896625 0.394584 1.70259 6 h after dark 0.9573033333333333 0.754754 1.30088 10 h after dark 0.8312408333333333 0.396799 1.42486