AFOS product CLICPR
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CDUS45 KRIW 170731
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
130 AM MDT SUN SEP 17 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 16 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         59    259 PM  94    2000  74    -15       68       
  MINIMUM         35   1156 PM  19    1965  41     -6       39       
  AVERAGE         47                        58    -11       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.06          0.56 2006   0.03   0.03     0.00    
  MONTH TO DATE    0.78                      0.51   0.27     0.91    
  SINCE SEP 1      0.78                      0.51   0.27     0.91    
  SINCE JAN 1     10.70                      9.59   1.11    13.08    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.4   -0.4      0.0     
  SINCE SEP 1      0.0                       0.4   -0.4      0.0     
  SINCE JUL 1      0.0                       0.4   -0.4      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                         8     10       11       
  MONTH TO DATE   60                        83    -23      113       
  SINCE SEP 1     60                        83    -23      113       
  SINCE JUL 1     81                       129    -48      173       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   54                        23     31       21       
  SINCE SEP 1     54                        23     31       21       
  SINCE JAN 1    448                       420     28      443       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED    10.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           900 PM                                     
 LOWEST     36           300 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        89      2000                    
 MINIMUM TEMPERATURE (F)   41        19      1965                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 17 2017.....SUNRISE   648 AM MDT   SUNSET   712 PM MDT   
SEPTEMBER 18 2017.....SUNRISE   649 AM MDT   SUNSET   710 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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