AFOS product CLICPR
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CDUS45 KRIW 220733
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1231 AM MST THU DEC 22 2016


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

...THE CASPER WY CLIMATE SUMMARY FOR DECEMBER 21 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         38   1221 AM  53    1969  34      4       36       
  MINIMUM         15   1159 PM -41    1990  13      2       20       
  AVERAGE         27                        23      4       28      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.21 2003   0.01  -0.01     0.00    
  MONTH TO DATE    0.84                      0.33   0.51     0.89    
  SINCE DEC 1      0.84                      0.33   0.51     0.89    
  SINCE JAN 1     15.10                     12.36   2.74    13.12    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.3   -0.3      0.0     
  MONTH TO DATE   18.3                       7.5   10.8     12.8     
  SINCE DEC 1     18.3                       7.5   10.8     12.8     
  SINCE JUL 1     21.5                      27.0   -5.5     26.1     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       38                        42     -4       37       
  MONTH TO DATE 1053                       863    190      718       
  SINCE DEC 1   1053                       863    190      718       
  SINCE JUL 1   2479                      2717   -238     2240       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    451                       422     29      427       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     7.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    80          1100 PM                                     
 LOWEST     32          1200 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        55      1940                    
 MINIMUM TEMPERATURE (F)   13       -33      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2016......SUNRISE   734 AM MST   SUNSET   435 PM MST   
DECEMBER 23 2016......SUNRISE   735 AM MST   SUNSET   436 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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