AFOS product CLICPR
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CDUS45 KRIW 100738
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
136 AM MDT SUN SEP 10 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 9 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         91R   216 PM  91    1998  78     13       61       
                                      1979                          
  MINIMUM         56    500 AM  29    1962  44     12       33       
  AVERAGE         74                        61     13       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.46 1940   0.04  -0.04     0.11    
  MONTH TO DATE    0.00                      0.27  -0.27     0.56    
  SINCE SEP 1      0.00                      0.27  -0.27     0.56    
  SINCE JAN 1      9.92                      9.35   0.57    12.73    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.1   -0.1      0.0     
  SINCE SEP 1      0.0                       0.1   -0.1      0.0     
  SINCE JUL 1      0.0                       0.1   -0.1      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         5     -5       18       
  MONTH TO DATE   25                        36    -11       30       
  SINCE SEP 1     25                        36    -11       30       
  SINCE JUL 1     46                        82    -36       90       
                                                                     
 COOLING                                                             
  YESTERDAY        9                         1      8        0       
  MONTH TO DATE   28                        16     12       19       
  SINCE SEP 1     28                        16     12       19       
  SINCE JAN 1    422                       413      9      441       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    11.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    51           500 AM                                     
 LOWEST     13           300 PM                                     
 AVERAGE    32                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        91      1998                    
 MINIMUM TEMPERATURE (F)   44        30      2016                    
                                             1970                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 10 2017.....SUNRISE   640 AM MDT   SUNSET   724 PM MDT   
SEPTEMBER 11 2017.....SUNRISE   642 AM MDT   SUNSET   722 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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