condition mean min max 4 h after light 10.7084475 9.668262 11.748633 8 h after light 11.077788 10.893591 11.261985 12 h after light 10.893591 10.893591 10.893591 4 h after dark 10.9185555 10.659719 11.177392 8 h after dark 11.260551 10.201691 12.319411 12 h after dark 10.893591 10.893591 10.893591