File name: Fig2_UStrendSeries.png
Original Resolution: 750 × 626
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Annual average temperature anomaly over the continental U.S. with respect to the 1951-1980 period (black line), and the average of the 5 years centered on the given year (red line). This older 30-year reference period is used to accommodate the very long (134-year) analysis period. Image credit: NASA/GISS.