condition mean min max 4 h after light 29.5 29.5 29.5 8 h after light 19.75 19.2 20.3 12 h after light 8.600000000000001 8.3 8.9 4 h after dark 34.05 30.4 37.7 8 h after dark 18.45 7.3 29.6 12 h after dark 24.95 19.7 30.2