Temperature Variation From Average:
Lower Troposphere:
Global:
October 2009: +0.28 °C

Northern Hemisphere: +0.27 °C
Southern Hemisphere: +0.30 °C

Peak recorded anomaly:
February, 1998: +0.76 °C
Current relative to peak recorded: -0.48 °C

DECADAL TREND:
Global: +0.13 °C
Northern Hemisphere: +0.19 °C
Southern Hemisphere: +0.06 °C

Last update: November 11, 2009