388  
CDUS45 KRIW 140739  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
139 AM MDT TUE OCT 14 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 13 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 56 2:46 PM 78 1996 59 -3 68  
MINIMUM 27 6:28 AM 11 2008 33 -6 38  
AVERAGE 42 46 -4 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.10 0.03 -0.03 0.00  
MONTH TO DATE 0.99 0.46 0.53 0.00  
SINCE SEP 1 1.98 1.23 0.75 0.07  
SINCE JAN 1 8.23 7.59 0.64 5.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.3 2018 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 23 19 4 12  
MONTH TO DATE 170 210 -40 82  
SINCE SEP 1 267 415 -148 168  
SINCE JUL 1 270 451 -181 186  
 
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 20 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.2  
 
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 88 6:00 AM  
LOWEST 38 1:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 77 2015  
2016  
MINIMUM TEMPERATURE (F) 32 12 2018  
 
SUNRISE AND SUNSET  
OCTOBER 14 2025.......SUNRISE 7:27 AM MDT SUNSET 6:32 PM MDT  
OCTOBER 15 2025.......SUNRISE 7:28 AM MDT SUNSET 6:30 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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