Then they tested the model results using the comprehensive ground and aircraft
measurements gathered during the 2006 Megacity Initiative: Local and
Global Research Observations in Mexico City.
This letter is to seek the involvement of the World Meteorological Society (WMO) in advancing world climate monitoring by a significant improvement in the method of
gathering the temperature
measurements used to calculate
global average temperature at the Earth's surface so that the precision of this calculation can be increased.