condition mean min max 4 h after light 11.9805955 11.906715 12.054476 8 h after light 13.024678 12.433713 13.615643 12 h after light 11.776701 11.123672 12.42973 4 h after dark 11.062053500000001 10.838619 11.285488 8 h after dark 12.961596499999999 11.964311 13.958882 12 h after dark 12.758586 12.758586 12.758586