AFOS product CLIRIW
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CDUS45 KRIW 200737
CLIRIW


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
137 AM MDT SUN SEP 20 2015


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

...THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 19 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1995 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         75    334 PM  90    2010  71      4       83       
  MINIMUM         38    553 AM  32    1996  43     -5       54       
  AVERAGE         57                        57      0       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.46 1999   0.03  -0.03     0.02    
  MONTH TO DATE    0.01                      0.43  -0.42     0.17    
  SINCE SEP 1      0.01                      0.43  -0.42     0.17    
  SINCE JAN 1      8.81                      7.25   1.56     5.54    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                       0.0     
  MONTH TO DATE    0.0                                       0.3     
  SINCE SEP 1      0.0                                       0.3     
  SINCE JUL 1      0.0                                       0.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                         9     -1        0       
  MONTH TO DATE   52                       104    -52      121       
  SINCE SEP 1     52                       104    -52      121       
  SINCE JUL 1     87                       142    -55      171       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        4       
  MONTH TO DATE   44                        24     20       20       
  SINCE SEP 1     44                        24     20       20       
  SINCE JAN 1    520                       492     28      420       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED    12.1                                         

                                                                     
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    64           600 AM                                     
 LOWEST     14           300 PM                                     
 AVERAGE    39                                                       

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

                                                                     
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        84      2005                    
 MINIMUM TEMPERATURE (F)   43        31      1995                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 20 2015.....SUNRISE   659 AM MDT   SUNSET   715 PM MDT   
SEPTEMBER 21 2015.....SUNRISE   700 AM MDT   SUNSET   713 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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