condition mean min max 4 h after light 38.1 38.1 38.1 8 h after light 32.9 32.8 33.0 12 h after light 43.75 31.5 56.0 4 h after dark 21.3 18.6 24.0 8 h after dark 37.55 31.1 44.0 12 h after dark 20.55 14.3 26.8