AFOS product CLICPR
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CDUS45 KRIW 100832
CLICPR

CLIMATE REPORT 
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MST THU DEC 10 2020

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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 9 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1939 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         53   2:43 PM  63    1939  34     19       27        
  MINIMUM         29  11:59 PM -23    1977  14     15       11        
  AVERAGE         41                        24     17              

PRECIPITATION (IN)                                                    
  YESTERDAY        T             0.33 1985   0.02  -0.02     0.00     
  MONTH TO DATE    0.01                      0.15  -0.14     0.30     
  SINCE DEC 1      0.01                      0.15  -0.14     0.30     
  SINCE JAN 1      5.15                     12.18  -7.03    14.16     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           5.0         0.4   -0.4      0.0      
  MONTH TO DATE    0.2                       3.2   -3.0      4.0      
  SINCE DEC 1      0.2                       3.2   -3.0      4.0      
  SINCE JUL 1     11.8                      22.7  -10.9     36.7      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       24                        41    -17       46        
  MONTH TO DATE  300                       361    -61      323        
  SINCE DEC 1    300                       361    -61      323        
  SINCE JUL 1   2072                      2215   -143     2372        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1    542                       422    120      441        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION    SW (210)       
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION     S (190)       
  AVERAGE WIND SPEED    19.7                                        


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    28          12:00 AM                                      
 LOWEST     12          12:00 PM                                      
 AVERAGE    20                                                        

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   34        63      1939                      
 MINIMUM TEMPERATURE (F)   14       -18      1961                      


SUNRISE AND SUNSET                                                    
DECEMBER 10 2020......SUNRISE   7:26 AM MST   SUNSET   4:31 PM MST     
DECEMBER 11 2020......SUNRISE   7:27 AM MST   SUNSET   4:32 PM MST     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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