Optimum row (1=S tip of US, 277=N tip of US, click on help above for map) and potential movement, in km of the latitudinal optimum for sweet birch

FIA-Optimum	172
PRD-Optimum	171
GISS-Optimum	172
GISS-Movement	10N
GFDL-Optimum	172
GFDL-Movement	10N
HAD-Optimum	172
HAD-Movement	10N
UKMO-Optimum	172
UKMO-Movement	10N
CCC-Optimum	172
CCC-Movement	10N