condition mean min max 4 h after light 115.0 115.0 115.0 8 h after light 128.15 123.4 132.9 12 h after light 123.5 52.6 194.4 4 h after dark 41.849999999999994 33.4 50.3 8 h after dark 14.75 2.6 26.9 12 h after dark 11.9 8.0 15.8