383  
CDUS45 KRIW 150735  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
135 AM MDT WED OCT 15 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 14 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 60 3:27 PM 77 2015 59 1 72  
2016  
MINIMUM 36 4:55 AM 12 2018 32 4 37  
AVERAGE 48 46 2 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.12 0.03 -0.03 0.00  
MONTH TO DATE 0.99 0.49 0.50 0.00  
SINCE SEP 1 1.98 1.26 0.72 0.07  
SINCE JAN 1 8.23 7.62 0.61 5.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.9 2017 0.0  
MONTH TO DATE T 0.0  
SINCE SEP 1 T 0.0  
SINCE JUL 1 T 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 20 -3 10  
MONTH TO DATE 187 230 -43 92  
SINCE SEP 1 284 435 -151 178  
SINCE JUL 1 287 471 -184 196  
 
COOLING  
YESTERDAY 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 14 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 5:00 AM  
LOWEST 44 3:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 74 2010  
MINIMUM TEMPERATURE (F) 32 11 2018  
 
SUNRISE AND SUNSET  
OCTOBER 15 2025.......SUNRISE 7:28 AM MDT SUNSET 6:30 PM MDT  
OCTOBER 16 2025.......SUNRISE 7:29 AM MDT SUNSET 6:29 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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