AFOS product CLICPR
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CDUS45 KRIW 200733
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
132 AM MDT WED SEP 20 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 19 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         65   1203 AM  92    2010  72     -7       85       
  MINIMUM         38    942 PM  23    1965  40     -2       40       
  AVERAGE         52                        56     -4       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          0.47 1948   0.04   0.01     0.00    
  MONTH TO DATE    0.83                      0.63   0.20     0.91    
  SINCE SEP 1      0.83                      0.63   0.20     0.91    
  SINCE JAN 1     10.75                      9.71   1.04    13.08    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1      0.0     
  MONTH TO DATE    0.0                       0.6   -0.6      0.0     
  SINCE SEP 1      0.0                       0.6   -0.6      0.0     
  SINCE JUL 1      0.0                       0.6   -0.6      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       13                         9      4        2       
  MONTH TO DATE   91                       109    -18      123       
  SINCE SEP 1     91                       109    -18      123       
  SINCE JUL 1    112                       155    -43      183       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   54                        24     30       24       
  SINCE SEP 1     54                        24     30       24       
  SINCE JAN 1    448                       421     27      446       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    15.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 PM                                     
 LOWEST     28          1200 AM                                     
 AVERAGE    61                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        89      1956                    
 MINIMUM TEMPERATURE (F)   40        16      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 20 2017.....SUNRISE   651 AM MDT   SUNSET   706 PM MDT   
SEPTEMBER 21 2017.....SUNRISE   652 AM MDT   SUNSET   704 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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