condition mean min max 3 h after light 1.2045033333333333 1.15293 1.23777 6 h after light 1.87633 1.7406 2.01474 9 h after light 3.253163333333333 2.31423 4.34684 12 h after light 5.22951 3.30391 7.78708 3 h after dark 12.9431 10.3834 14.6571 6 h after dark 6.74819 5.1435 8.47395 9 h after dark 5.401626666666667 4.26988 7.55381 12 h after dark 2.95545 2.01977 4.23519