condition mean min max 0 h after light 3.90119 1.94799 5.85439 4 h after light 2.3049565 0.640203 3.96971 8 h after light 0.9821854999999999 0.642411 1.32196 4 h after dark 3.8389450000000003 1.27545 6.40244 8 h after dark 3.2191 1.27902 5.15918 12 h after dark 2.5655799999999997 2.53733 2.59383