condition mean min max 0 h after light 7.054965 6.66924 7.44069 2 h after light 4.362665 3.27981 5.44552 4 h after light 2.66277 2.61496 2.71058 8 h after light 4.43372 2.62979 6.23765 12 h after light 12.00255 10.7172 13.2879 2 h after dark 11.706199999999999 10.1796 13.2328 4 h after dark 10.577535000000001 9.90637 11.2487 8 h after dark 11.96125 10.6383 13.2842 12 h after dark 7.742115 7.71799 7.76624