418  
CDUS45 KRIW 210729  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1229 AM MST SAT DEC 21 2024  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 20 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 44 2:05 PM 49 2020 30 14 44  
MINIMUM 18 4:17 AM -21 1998 7 11 20  
AVERAGE 31 18 13 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.04 0.01 -0.01 0.00  
MONTH TO DATE T 0.17 -0.17 T  
SINCE DEC 1 T 0.17 -0.17 T  
SINCE JAN 1 6.22 8.47 -2.25 13.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.8 2017 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 34 47 -13 33  
MONTH TO DATE 710 892 -182 770  
SINCE DEC 1 710 892 -182 770  
SINCE JUL 1 2227 2789 -562 2469  
 
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 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 3.1  
 
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 60 8:00 AM  
LOWEST 27 2:00 PM  
AVERAGE 44  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 51 2021  
MINIMUM TEMPERATURE (F) 7 -29 1998  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 7:42 AM MST SUNSET 4:42 PM MST  
DECEMBER 22 2024......SUNRISE 7:43 AM MST SUNSET 4:43 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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