condition mean min max 0 h after light 20.60255 19.0294 22.1757 4 h after light 11.876850000000001 11.4869 12.2668 8 h after light 19.49405 18.8267 20.1614 4 h after dark 38.423249999999996 30.5131 46.3334 8 h after dark 27.2609 25.0708 29.451 12 h after dark 22.4306 21.7187 23.1425