condition mean min max 0 h after light 51.346149999999994 47.1714 55.5209 2 h after light 50.373599999999996 48.6954 52.0518 4 h after light 50.06425 45.5343 54.5942 8 h after light 51.210899999999995 48.4372 53.9846 12 h after light 117.24950000000001 111.629 122.87 2 h after dark 151.3385 145.784 156.893 4 h after dark 98.1894 89.7258 106.653 8 h after dark 99.4178 82.2636 116.572 12 h after dark 65.17965000000001 63.3009 67.0584