condition mean min max 3 h after light 101.32483333333333 93.5535 107.764 6 h after light 85.6738 60.1601 111.308 9 h after light 90.4025 79.6504 108.107 12 h after light 103.95075 97.2673 120.964 3 h after dark 159.47833333333332 137.691 177.01 6 h after dark 90.03633333333333 87.9476 93.8885 9 h after dark 75.00306666666667 70.5223 80.812 12 h after dark 68.20595 63.3081 73.1038