condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.8076183333333333 0.0 2.45525 10 h after light 0.8282766666666667 0.0 2.52915 14 h after light 0.453235 0.0 1.44423 18 h after light 0.0 0.0 0.0 2 h after dark 0.4676616666666667 0.0 1.5804