condition mean min max 4 h after light 9.755030000000001 7.57366 11.9364 8 h after light 9.105795 9.01296 9.19863 12 h after light 8.61379 6.01098 11.2166 4 h after dark 13.978449999999999 11.2707 16.6862 8 h after dark 8.525055 7.82697 9.22314 12 h after dark 11.93765 11.3783 12.497