condition mean min max 1 h after light 6.909618859 6.909618859 6.909618859 3 h after light 14.336002442 9.087727364 19.58427752 5 h after light 15.696682465 12.49507736 18.89828757 7 h after light 17.874747935 14.7741527 20.97534317 9 h after light 16.01768736 15.94233855 16.09303617 11 h after light 19.399695875 17.01190325 21.787488500000002 1 h after dark 15.657559385 15.0058225 16.30929627 3 h after dark 21.893898995 19.68947089 24.098327100000002 5 h after dark 19.078639324999997 17.96063075 20.1966479 7 h after dark 19.966682005000003 19.66391951 20.269444500000002 9 h after dark 21.851143790000002 20.76643911 22.93584847 11 h after dark 21.30011719 19.7537346 22.84649978