condition mean min max 4 h after light 86.83615 81.6547 92.0176 8 h after light 73.98695000000001 65.9199 82.054 12 h after light 78.18719999999999 75.4841 80.8903 4 h after dark 83.31803333333333 79.4827 88.7467 8 h after dark 104.52746666666667 99.3744 110.871 12 h after dark 99.66636666666666 93.6021 104.262