AFOS product CLICPR
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CDUS45 KRIW 220736
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
136 AM MDT TUE SEP 22 2009


................................... 

...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 21 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1939 TO 2009


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         55    208 PM  85    1966  71    -16       76       
  MINIMUM         38    719 AM  21    1983  40     -2       54       
  AVERAGE         47                        55     -8       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.22          1.09 1962   0.03   0.19      T      
  MONTH TO DATE    1.23                      0.62   0.61     0.74    
  SINCE SEP 1      1.23                      0.62   0.61     0.74    
  SINCE JAN 1     13.09                     10.09   3.00     9.58    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                         0.1   MM        0.0     
  MONTH TO DATE    0.0                       1.1   -1.1      0.0     
  SINCE SEP 1      0.0                       1.1   -1.1      0.0     
  SINCE JUL 1      0.0                       1.1   -1.1      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                         9      9        0       
  MONTH TO DATE   91                       134    -43      204       
  SINCE SEP 1     91                       134    -43      204       
  SINCE JUL 1    184                       175      9      238       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   32                        27      5        5       
  SINCE SEP 1     32                        27      5        5       
  SINCE JAN 1    221                       428   -207      372       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     6.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           100 AM                                     
 LOWEST     35           500 PM                                     
 AVERAGE    64                                                       

..........................................................

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        87      2007                    
                                             1992                    
                                             1966                    
 MINIMUM TEMPERATURE (F)   39        25      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 22 2009.....SUNRISE   653 AM MDT   SUNSET   703 PM MDT   
SEPTEMBER 23 2009.....SUNRISE   655 AM MDT   SUNSET   701 PM MDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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