condition mean min max 4 h after light 20.7 20.7 20.7 8 h after light 15.35 13.8 16.9 12 h after light 12.149999999999999 1.4 22.9 4 h after dark 18.25 16.5 20.0 8 h after dark 28.3 24.5 32.1 12 h after dark 10.85 6.3 15.4