condition mean min max 4 h after light 58.4 58.4 58.4 8 h after light 38.2 31.9 44.5 12 h after light 37.45 31.8 43.1 4 h after dark 36.65 31.5 41.8 8 h after dark 28.75 26.0 31.5 12 h after dark 48.3 45.7 50.9