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Updated 12 October, 2003

US National Assessment of
the Potential Consequences
of Climate Variability and Change
Model Validation: Temperatures

 

 

 Model Biases

Figure 8: Comparison of annual average temperatures and seasonal range (summer - winter) (oF) for the US from (a) observations, (b) the Canadian Model Scenario, and (c) the Hadley Model Scenario. Results are for the period 1961-90. The model-simulated temperatures, their spatial patterns, and their seasonal ranges are in quite good agreement with observations generated by the VEMAP project (Kittel et al. 1997, 1995; VEMAP Members, 1995).  Mean temperature is calculated as the mean of the minimum and maximum temperatures, so that the model data are consistent with the VEMAP data.  [Seasonal and difference plots are also provided on the Web site containing the figures.]  
 


 

Observed Mean Annual Temperatures
 
 
 
  CGCM1 Mean Annual TemperaturesHadCM2 Mean Annual Temperatures
 
 

Observed Winter Temperatures


CGCM1 Winter TemperaturesHadCM2 Winter Temperatures
 
 

Observed Summer Temperatures


CGCM1 Summer TemperaturesHadCM2 Summer Temperatures
 
 

Observed Temperature Range


CGCM1 Temperature RangeHadCM2 Temperature Range
 
 
 

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