305  
CDUS45 KRIW 110727  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST WED DEC 11 2024  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 10 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 38 2:35 PM 53 1996 31 7 39  
MINIMUM 11 6:47 AM -8 2007 9 2 17  
AVERAGE 25 20 5 28  
 
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 6.22 8.39 -2.17 13.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.6 1997 0.0  
MONTH TO DATE T T  
SINCE DEC 1 T T  
SINCE JUL 1 3.8 19.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 45 -5 37  
MONTH TO DATE 354 433 -79 368  
SINCE DEC 1 354 433 -79 368  
SINCE JUL 1 1871 2330 -459 2067  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 610 499 111 401    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 4:00 AM  
LOWEST 31 3:00 PM  
AVERAGE 60  
   
......................................................
 
 
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 2024......SUNRISE 7:36 AM MST SUNSET 4:39 PM MST  
DECEMBER 12 2024......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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