condition mean min max 2 h after light 17.87986666666667 17.4562 18.4371 6 h after light 22.2011 21.7903 22.419 10 h after light 25.2934 23.8766 27.6987 2 h after dark 18.076733333333333 16.4461 21.0659 6 h after dark 16.6419 15.6983 18.0885 10 h after dark 16.5637 15.7039 17.3871