condition mean min max 4 h after light 76.0 76.0 76.0 8 h after light 32.4 11.0 53.8 12 h after light 17.05 8.0 26.1 4 h after dark 59.1 46.7 71.5 8 h after dark 28.4 10.5 46.3 12 h after dark 21.35 11.3 31.4