808  
CDUS45 KRIW 120053  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
553 PM MST MON DEC 11 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 11 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 36 12:50 PM 59 2004 31 5 43  
MINIMUM 18 7:22 AM -9 2000 9 9 6  
AVERAGE 27 20 7 25  
 
PRECIPITATION (IN)  
TODAY 0.00 0.08 2020 0.01 -0.01 0.00  
MONTH TO DATE T 0.10 -0.10 T  
SINCE DEC 1 T 0.10 -0.10 T  
SINCE JAN 1 14.12 8.40 5.72 8.77  
 
SNOWFALL (IN)  
TODAY 0.0 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 45 -7 40  
MONTH TO DATE 406 478 -72 490  
SINCE DEC 1 406 478 -72 490  
SINCE JUL 1 2105 2375 -270 2303  
 
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 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81  
LOWEST 63  
AVERAGE 72  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 53 1995  
MINIMUM TEMPERATURE (F) 9 -10 2007  
 
SUNRISE AND SUNSET  
DECEMBER 11 2023......SUNRISE 7:35 AM MST SUNSET 4:39 PM MST  
DECEMBER 12 2023......SUNRISE 7:36 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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