condition mean min max 3 h after light 16.74713333333333 15.391 18.2811 6 h after light 12.112276666666666 9.01233 14.3737 9 h after light 15.9551 14.0915 18.7564 12 h after light 25.010025 17.1966 31.0851 3 h after dark 27.4809 25.6281 29.586 6 h after dark 33.968599999999995 30.88 36.2863 9 h after dark 41.42293333333333 39.9451 42.1747 12 h after dark 19.85185 19.4224 20.2813