1900
1920
1940
1960
1980
2000
1880
2014
-200
-150
-100
-50
0
50
100
150
200
-237
211
Glob
NHem
SHem
X24N.90N
X24S.24N
X90S.24S
X64N.90N
X44N.64N
X24N.44N
EQU.24N
X24S.EQU
X44S.24S
X64S.44S
X90S.64S