condition mean min max 4 h after light 29.4 29.4 29.4 8 h after light 19.65 19.2 20.1 12 h after light 53.0 40.1 65.9 4 h after dark 103.15 82.9 123.4 8 h after dark 55.45 17.9 93.0 12 h after dark 127.9 123.2 132.6