FIG. 81. June–August 1999 surface temperature anomalies (top, oC) and
precipitation percentiles based on a gamma distribution fit to the 1979–95 base
period (bottom). Temperature anomalies (1961–90 base period) are based on station
data over land and sea surface temperature data over water. Precipitation data are
obtained from a merge of rain gauge observations and satellite-derived precipitation
estimates (Xie and Arkin 1997). The analysis is omitted in data-sparse regions (white
areas).
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