condition mean min max 3 h after light 1.3307693333333332 0.787748 2.00547 6 h after light 1.162534 0.990177 1.50314 9 h after light 3.2500766666666667 2.1971 4.51555 12 h after light 5.9766525 1.52609 8.16156 3 h after dark 5.07418 4.41648 5.66877 6 h after dark 2.6942566666666665 2.64922 2.72527 9 h after dark 2.0298 1.51468 2.31744 12 h after dark 1.3891149999999999 1.21623 1.562