condition mean min max 4 h after light 8.0 8.0 8.0 8 h after light 30.0 24.4 35.6 12 h after light 82.30000000000001 81.2 83.4 4 h after dark 105.7 99.2 112.2 8 h after dark 37.9 18.8 57.0 12 h after dark 47.7 25.5 69.9