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figure t4

FIGURE T4. Five-month running mean and individual monthly mean ("x"s) of the standardized 850-hPa zonal wind anomaly index in the latitude belt 5N5S for 135E180 (top), 175W140W (middle) and 135W120W (bottom). Anomalies are departures from the 1981-2010 base period means and are normalized by the mean annual standard deviation.The x-axis labels are centered on July. Positive (negative) values indicate easterly (westerly) anomalies.

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Page last modified: August 15, 2005
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