241  
CDUS45 KRIW 100047  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
547 PM MST SAT DEC 09 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 9 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 33 1:33 PM 56 2015 32 1 30  
MINIMUM 20 2:55 AM -21 2009 9 11 4  
AVERAGE 27 20 7 17  
 
PRECIPITATION (IN)  
TODAY T 0.13 1997 0.00 0.00 0.00  
MONTH TO DATE T 0.08 -0.08 T  
SINCE DEC 1 T 0.08 -0.08 T  
SINCE JAN 1 14.12 8.38 5.74 8.77  
 
SNOWFALL (IN)  
TODAY T 0.0  
MONTH TO DATE T T  
SINCE DEC 1 T T  
SINCE JUL 1 19.0 10.9  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
TODAY 38 44 -6 48  
MONTH TO DATE 330 388 -58 402  
SINCE DEC 1 330 388 -58 402  
SINCE JUL 1 2029 2285 -256 2215  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 401 499 -98 703    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 34  
AVERAGE 65  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 53 1996  
MINIMUM TEMPERATURE (F) 9 -8 2007  
 
SUNRISE AND SUNSET  
DECEMBER 9 2023......SUNRISE 7:33 AM MST SUNSET 4:39 PM MST  
DECEMBER 10 2023......SUNRISE 7:34 AM MST SUNSET 4:39 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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