940  
CDUS45 KRIW 120040  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
540 PM MST SUN DEC 11 2022  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 11 2022
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 43 3:46 PM 59 2004 31 12 37  
MINIMUM 6 1:57 AM -9 2000 9 -3 12  
AVERAGE 25 20 5 25  
 
PRECIPITATION (IN)  
TODAY 0.00 0.08 2020 0.01 -0.01 0.00  
MONTH TO DATE T 0.10 -0.10 0.01  
SINCE DEC 1 T 0.10 -0.10 0.01  
SINCE JAN 1 8.77 8.40 0.37 8.79  
 
SNOWFALL (IN)  
TODAY 0.0 0.0  
MONTH TO DATE T 0.3  
SINCE DEC 1 T 0.3  
SINCE JUL 1 10.9 3.1  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
TODAY 40 45 -5 40  
MONTH TO DATE 490 478 12 324  
SINCE DEC 1 490 478 12 324  
SINCE JUL 1 2303 2375 -72 1814  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 703 499 204 707    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.7  
 
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 84  
LOWEST 39  
AVERAGE 62  
   
......................................................
 
 
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 2022......SUNRISE 7:35 AM MST SUNSET 4:39 PM MST  
DECEMBER 12 2022......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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