GHG/Seasons Winter Pre-monsoon Monsoon Post-monsoon
CO2 0.94 0.99 0.99 0.98
N2O 0.94 0.99 0.99 0.99
CH4 0.90 0.95 0.96 0.95
CFC11 0.89 0.94 0.94 0.93
CFC12 0.91 0.96 0.96 0.95
Table 2: Correlation between different global GHG concentrations and the IGB climate change signals.