762  
CDUS45 KRIW 020730  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT THU OCT 02 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 1 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 74 3:41 PM 84 2005 66 8 70  
MINIMUM 47 6:23 AM 30 2002 38 9 31  
AVERAGE 61 52 9 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.62 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.04 -0.04 0.00  
SINCE SEP 1 0.99 0.81 0.18 0.07  
SINCE JAN 1 7.24 7.17 0.07 5.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.5 2002 0.0  
MONTH TO DATE 0.0 0.0  
SINCE SEP 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 13 -9 14  
MONTH TO DATE 4 13 -9 14  
SINCE SEP 1 101 218 -117 100  
SINCE JUL 1 104 254 -150 118  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 37 31 6 67  
SINCE JAN 1 611 499 112 609    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.9  
 
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 68 5:00 AM  
LOWEST 21 3:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 83 2024  
MINIMUM TEMPERATURE (F) 38 27 1999  
2009  
 
SUNRISE AND SUNSET  
OCTOBER 2 2025.......SUNRISE 7:13 AM MDT SUNSET 6:53 PM MDT  
OCTOBER 3 2025.......SUNRISE 7:14 AM MDT SUNSET 6:51 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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