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State Forecast Discussion State Public Info Climate Data
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Wyoming State Climate Data:
000
CDUS45 KRIW 190750
CLIRIW

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
146 AM MDT SUN MAY 19 2013

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

...THE RIVERTON WY CLIMATE SUMMARY FOR MAY 18 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1995 TO 2013

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         67   1255 PM  87    2009  68     -1       65       
  MINIMUM         44    442 AM  35    2011  41      3       43       
                                      2003                          
  AVERAGE         56                        55      1       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.04          0.54 2011   0.06  -0.02     0.27    
  MONTH TO DATE    0.52                      1.04  -0.52     0.36    
  SINCE MAR 1      1.93                      2.89  -0.96     0.90    
  SINCE JAN 1      2.58                      3.40  -0.82     1.37    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                       0.0     
  MONTH TO DATE    2.4                                       0.0     
  SINCE MAR 1     19.4                                       4.3     
  SINCE JUL 1     38.2                                      29.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                        11     -2       11       
  MONTH TO DATE  176                       239    -63      168       
  SINCE MAR 1   1820                      1781     39     1289       
  SINCE JUL 1   7386                      7635   -249     6675       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   13                         0     13        6       
  SINCE MAR 1     13                         0     13        9       
  SINCE JAN 1     13                         0     13        9       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     9.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86          1000 PM                                     
 LOWEST     37          1100 AM                                     
 AVERAGE    62                                                       

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

                                                                     
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        89      2009                    
 MINIMUM TEMPERATURE (F)   42        31      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 19 2013...........SUNRISE   546 AM MDT   SUNSET   835 PM MDT   
MAY 20 2013...........SUNRISE   545 AM MDT   SUNSET   836 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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