condition mean min max 0 h after light 4.170294999999999 4.09842 4.24217 2 h after light 6.714695000000001 6.10214 7.32725 4 h after light 7.8386700000000005 6.50401 9.17333 8 h after light 8.014420000000001 6.85239 9.17645 12 h after light 22.48925 22.4736 22.5049 2 h after dark 17.75655 16.9237 18.5894 4 h after dark 15.27515 14.973 15.5773 8 h after dark 10.375715 9.54293 11.2085 12 h after dark 3.9772 3.59941 4.35499