274  
CDUS45 KRIW 030048  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
648 PM MDT TUE SEP 02 2025  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 2 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 88 3:19 PM 96 2019 80 8 91  
MINIMUM 53 5:57 AM 33 2008 49 4 52  
AVERAGE 71 65 6 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.43 1999 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.03 -0.03 0.00  
SINCE SEP 1 0.00 0.03 -0.03 0.00  
SINCE JAN 1 6.25 6.39 -0.14 5.43  
 
SNOWFALL (IN)  
TODAY 0.0 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  
TODAY 0 3 -3 0  
MONTH TO DATE 0 6 -6 0  
SINCE SEP 1 0 6 -6 0  
SINCE JUL 1 3 42 -39 18  
 
COOLING  
TODAY 6 2 4 7  
MONTH TO DATE 9 5 4 11  
SINCE SEP 1 9 5 4 11  
SINCE JAN 1 583 473 110 553    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 4.4  
 
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 59  
LOWEST 14  
AVERAGE 37  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 94 2022  
MINIMUM TEMPERATURE (F) 49 37 2008  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2025.....SUNRISE 6:40 AM MDT SUNSET 7:46 PM MDT  
SEPTEMBER 3 2025.....SUNRISE 6:41 AM MDT SUNSET 7:44 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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