492  
CDUS45 KRIW 190727  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST THU DEC 19 2024  
   
...............................  
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 18 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 49 4:54 PM 59 2013 30 19 30  
MINIMUM 19 2:16 AM -18 2016 7 12 14  
AVERAGE 34 19 15 22  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 0.00 0.00 0.00  
MONTH TO DATE T 0.15 -0.15 T  
SINCE DEC 1 T 0.15 -0.15 T  
SINCE JAN 1 6.22 8.45 -2.23 13.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.5 2002 0.0  
MONTH TO DATE T T  
SINCE DEC 1 T T  
SINCE JUL 1 3.8 19.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 46 -15 43  
MONTH TO DATE 645 799 -154 703  
SINCE DEC 1 645 799 -154 703  
SINCE JUL 1 2162 2696 -534 2402  
 
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 W (270)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 3:00 AM  
LOWEST 30 5:00 PM  
AVERAGE 52  
   
......................................................  
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 44 2004  
MINIMUM TEMPERATURE (F) 7 -13 1998  
 
SUNRISE AND SUNSET  
DECEMBER 19 2024......SUNRISE 7:41 AM MST SUNSET 4:41 PM MST  
DECEMBER 20 2024......SUNRISE 7:42 AM MST SUNSET 4:42 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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