690  
CDUS45 KRIW 130045  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
645 PM MDT SUN OCT 12 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 12 2025
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 56 2:56 PM 77 1996 60 -4 73  
MINIMUM 39 6:53 AM 18 2008 33 6 45  
AVERAGE 48 46 2 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.95 2023 0.03 -0.03 0.00  
MONTH TO DATE 0.99 0.43 0.56 0.00  
SINCE SEP 1 1.98 1.20 0.78 0.07  
SINCE JAN 1 8.23 7.56 0.67 5.50  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T 0.0  
SINCE SEP 1 T 0.0  
SINCE JUL 1 T 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 17 18 -1 6  
MONTH TO DATE 145 191 -46 70  
SINCE SEP 1 242 396 -154 156  
SINCE JUL 1 245 432 -187 174  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 37 31 6 68  
SINCE JAN 1 611 499 112 610    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 14.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60  
LOWEST 20  
AVERAGE 40  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 78 1996  
MINIMUM TEMPERATURE (F) 33 11 2008  
 
SUNRISE AND SUNSET  
OCTOBER 12 2025.......SUNRISE 7:24 AM MDT SUNSET 6:35 PM MDT  
OCTOBER 13 2025.......SUNRISE 7:25 AM MDT SUNSET 6:34 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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