574  
CDUS45 KRIW 220731  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1231 AM MST SAT FEB 22 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR FEBRUARY 21 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 45 4:40 PM 56 2000 38 7 35  
MINIMUM 22 7:16 AM -18 2018 14 8 28  
AVERAGE 34 26 8 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 0.02 -0.02 0.01  
MONTH TO DATE 0.08 0.30 -0.22 0.99  
SINCE DEC 1 0.55 0.85 -0.30 1.36  
SINCE JAN 1 0.50 0.59 -0.09 1.35  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 2023 MM  
MONTH TO DATE 1.4 8.2  
SINCE DEC 1 8.7 12.0  
SINCE JUL 1 12.5 31.0  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 39 -8 33  
MONTH TO DATE 932 892 40 828  
SINCE DEC 1 3654 3717 -63 3632  
SINCE JUL 1 5171 5614 -443 5331  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.5  
 
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 85 7:00 AM  
LOWEST 36 5:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 60 2002  
MINIMUM TEMPERATURE (F) 14 -14 2023  
 
SUNRISE AND SUNSET  
FEBRUARY 22 2025......SUNRISE 7:00 AM MST SUNSET 5:55 PM MST  
FEBRUARY 23 2025......SUNRISE 6:59 AM MST SUNSET 5:56 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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