condition mean min max 4 h after light 10.005398 9.789514 10.221282 8 h after light 10.898464 9.381299 12.415629 12 h after light 9.637205999999999 9.484898 9.789514 4 h after dark 10.3396 10.002944 10.676256 8 h after dark 10.039172 9.789514 10.28883 12 h after dark 8.27989 8.27989 8.27989