AFOS product CLICPR
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CDUS45 KRIW 130743
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
141 AM MDT WED SEP 13 2017


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

...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 12 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         92    203 PM  94    1990  76     16       52       
  MINIMUM         53   1159 PM  25    2014  43     10       36       
  AVERAGE         73                        60     13       44      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.29 1957   0.03  -0.03     0.07    
  MONTH TO DATE    T                         0.37  -0.37     0.63    
  SINCE SEP 1      T                         0.37  -0.37     0.63    
  SINCE JAN 1      9.92                      9.45   0.47    12.80    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0      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       21       
  MONTH TO DATE   25                        54    -29       61       
  SINCE SEP 1     25                        54    -29       61       
  SINCE JUL 1     46                       100    -54      121       
                                                                     
 COOLING                                                             
  YESTERDAY        8                         1      7        0       
  MONTH TO DATE   49                        19     30       21       
  SINCE SEP 1     49                        19     30       21       
  SINCE JAN 1    443                       416     27      443       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     9.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    53           600 AM                                     
 LOWEST     10           300 PM                                     
 AVERAGE    32                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        89      2006                    
                                             1981                    
 MINIMUM TEMPERATURE (F)   43        23      1949                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 13 2017.....SUNRISE   644 AM MDT   SUNSET   719 PM MDT   
SEPTEMBER 14 2017.....SUNRISE   645 AM MDT   SUNSET   717 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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