739  
CDUS45 KRIW 110732  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1232 AM MST MON DEC 11 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 10 2023
 
 
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)  
YESTERDAY  
MAXIMUM 39 12:53 PM 53 1996 31 8 27  
MINIMUM 17 12:27 AM -8 2007 9 8 6  
AVERAGE 28 20 8 17  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 0.01 -0.01 0.00  
MONTH TO DATE T 0.09 -0.09 T  
SINCE DEC 1 T 0.09 -0.09 T  
SINCE JAN 1 14.12 8.39 5.73 8.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.6 1997 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  
YESTERDAY 37 45 -8 48  
MONTH TO DATE 368 433 -65 450  
SINCE DEC 1 368 433 -65 450  
SINCE JUL 1 2067 2330 -263 2263  
 
COOLING  
YESTERDAY 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 33 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 11:00 PM  
LOWEST 41 1:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 59 2004  
MINIMUM TEMPERATURE (F) 9 -9 2000  
 
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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