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STATE OF THE CLIMATE IN 2009

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Fig. 8.5. Jun–Aug <strong>2009</strong> (top) surface temperature anomalies (°C) and(bottom) precipitation percentiles based on a gamma distribution fitto the 1979–2000 base period. Temperature anomalies (1971–2000 baseperiod) are based on station data over land and sea surface temperaturedata over water. Precipitation data were obtained from the CAMS-OPIdata set that is a combination of rain gauge observations and satellitederivedestimates (Janowiak and Xie 1999). Analysis was omitted indata-sparse regions (white areas).Fig. 8.6. Jun–Aug <strong>2009</strong> (top) Northern Hemisphere and (bottom) SouthernHemisphere 500hPa geopotential heights (9-dam contour interval) andanomalies (shading) determined from the 1979–2000 base period means.<strong>STATE</strong> <strong>OF</strong> <strong>THE</strong> <strong>CLIMATE</strong> <strong>IN</strong> <strong>2009</strong> juNE 2010 |S193

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