Projected percent changes in precipitation for the period 20902099 relative to

Projected percent changes in precipitation for the

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Projected percent changes in precipitation for the period 2090–2099 (relative to 1980–1999) Warmer climate More Water Vapor in the atmosphere but an expanded belt of subtropical aridity NH Winter NH Summer
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Changes in the physical and biological systems and surface temperature 1970-2004 (IPCC WG2, 2007)
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Observed trends in some biophysical and socio-economic indicators in North America (IPCC WG1, 2007)
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Changes in the percent of days in a year above three thresholds for North America for daily high (top) and low (bottom) temperature CCSP SAP 3.3
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U.S. national average “heat wave” index defined as warm spells of 4 days in duration with mean temperature exceeding the threshold for a 1 in 10 year event CCSP SAP 3.3
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Area of the U.S. with much above normal daily high and low summer temperatures CCSP SAP 3.3
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Regions in where heavy and very heavy precipitation has increased CCSP SAP 3.3
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Observed & simulated changes in regional surface temperature IPCC WG1, 2007
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Days in a year averaged over North America when daily low temperature is in the top 10% of warm nights for 1961-90 CCSP SAP 3.3
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Number of frost days per year averaged over North America CCSP SAP 3.3
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Growing season length averaged over North America CCSP SAP 3.3
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Rainfall on days in the top 5% of heavy precipitation days for the period 1961-1990 averaged over North America CCSP SAP 3.3
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Projected increase in occurrence of extremely rare hot days (a 1 in-20 year event) (from Wehner 2005)
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