884  
CDUS45 KRIW 180031  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
531 PM MST SUN DEC 17 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 17 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 47 2:56 PM 58 2013 30 17 8  
MINIMUM 16 7:05 AM -23 2016 8 8 -11  
AVERAGE 32 19 13 -1  
 
PRECIPITATION (IN)  
TODAY 0.00 0.06 2002 0.01 -0.01 0.00  
MONTH TO DATE T 0.15 -0.15 0.50  
SINCE DEC 1 T 0.15 -0.15 0.50  
SINCE JAN 1 14.12 8.45 5.67 9.27  
 
SNOWFALL (IN)  
TODAY 0.0 0.0  
MONTH TO DATE T 8.8  
SINCE DEC 1 T 8.8  
SINCE JUL 1 19.0 19.7  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 33 46 -13 66  
MONTH TO DATE 660 753 -93 812  
SINCE DEC 1 660 753 -93 812  
SINCE JUL 1 2359 2650 -291 2625  
 
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 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 29  
AVERAGE 59  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 59 2013  
MINIMUM TEMPERATURE (F) 7 -18 2016  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 7:40 AM MST SUNSET 4:40 PM MST  
DECEMBER 18 2023......SUNRISE 7:40 AM MST SUNSET 4:41 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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