Angell Global Ground Level Balloon Data 1958-2004 from:
http://cdiac.esd.ornl.gov/trends/tem...ll/angell.html

Unlike the ground level observer data, the warming rate
is not faster near the poles than the equator.

NPolar (60 deg N - 90 deg N) .23 +- .05K/decade
NTemp (30 deg S - 60 deg N) .19 +- .05K/decade
NSubTrop (10 deg N - 30 deg N) .22 +- .03K/decade
Equat (10 deg S - 10 deg N) .21 +- .02K/decade
SSubTrop (10 deg S - 30 deg N) .21 +- .03K/decade
STemp (30 deg S - 60 deg S) -.06 +- .04K/decade
Spolar (60 deg S - 90 deg S) .16 +- .06K/decade


For reference, here are means by latitude of ground observer
data, the Hadley "hadcrut2v.dat" file for March from
http://www.cru.uea.ac.uk/cru/data/temperature/#datdow

Latitude Warming StdErr
87.5 NA NA
82.5 .44 .368
77.5 1.4 .286
72.5 1.3 .124
67.5 1.0 .110
62.5 .90 .089
57.5 .69 .077
52.5 .68 .072
47.5 .68 .061
42.5 .56 .048
37.5 .52 .045
32.5 .45 .041
27.5 .42 .037
22.5 .46 .037
17.5 .42 .040
12.5 .37 .042
7.5 .44 .042
2.5 .48 .045
-2.5 .47 .045
-7.5 .42 .040
-12.5 .39 .038
-17.5 .40 .036
-22.5 .47 .033
-27.5 .51 .032
-32.5 .58 .036
-37.5 .58 .036
-42.5 .71 .042
-47.5 .54 .034
-52.5 .31 .036
-57.5 .40 .037
-62.5 1.2 .16
-67.5 .93 .18
-72.5 .95 .21
-77.5 .39 .32
-82.5 8.95 3.8
-87.5 -1.5 .94