condition mean min max 0 h after light 12.6872 11.7412 13.6332 2 h after light 5.917135 4.81047 7.0238 4 h after light 5.634095 5.54092 5.72727 8 h after light 9.630790000000001 6.83858 12.423 12 h after light 16.299 15.2574 17.3406 2 h after dark 21.5794 20.0508 23.108 4 h after dark 23.2123 20.5925 25.8321 8 h after dark 17.5803 14.4579 20.7027 12 h after dark 17.313049999999997 16.6316 17.9945