condition mean min max 0 h after light 2.718285 2.41386 3.02271 4 h after light 27.9658 27.6699 28.2617 8 h after light 24.23515 23.2844 25.1859 4 h after dark 4.15637 3.86764 4.4451 8 h after dark 5.67502 4.45754 6.8925 12 h after dark 6.22614 3.3146 9.13768