condition mean min max 4 h after light 9.38182 8.427822 11.00757 8 h after light 2.5713756666666665 1.588834 3.761647 12 h after light 10.186312666666666 6.348848 12.36379 16 h after light 10.843289 5.682067 15.93643 4 h after dark 7.442216 6.297338 8.424664 8 h after dark 5.952615000000001 2.704041 8.717107