AFOS product CLICPR
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CDUS45 KRIW 110744
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
144 AM MDT MON SEP 11 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 10 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         88    348 PM  91    1998  78     10       80       
  MINIMUM         55   1159 PM  30    2016  44     11       30       
                                      1970                          
  AVERAGE         72                        61     11       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.40 1986   0.03  -0.03     0.00    
  MONTH TO DATE    T                         0.30  -0.30     0.56    
  SINCE SEP 1      T                         0.30  -0.30     0.56    
  SINCE JAN 1      9.92                      9.38   0.54    12.73    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1      0.0     
  MONTH TO DATE    0.0                       0.2   -0.2      0.0     
  SINCE SEP 1      0.0                       0.2   -0.2      0.0     
  SINCE JUL 1      0.0                       0.2   -0.2      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         6     -6       10       
  MONTH TO DATE   25                        42    -17       40       
  SINCE SEP 1     25                        42    -17       40       
  SINCE JUL 1     46                        88    -42      100       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         1      6        0       
  MONTH TO DATE   35                        17     18       19       
  SINCE SEP 1     35                        17     18       19       
  SINCE JAN 1    429                       414     15      441       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     8.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    51          1100 PM                                     
 LOWEST     20           500 PM                                     
 AVERAGE    36                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        91      1993                    
 MINIMUM TEMPERATURE (F)   43        26      2014                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 11 2017.....SUNRISE   642 AM MDT   SUNSET   722 PM MDT   
SEPTEMBER 12 2017.....SUNRISE   643 AM MDT   SUNSET   721 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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