161  
CDUS45 KRIW 070729  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT MON SEP 07 2026  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 6 2026
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 1:24 PM 93 2022 79 10 77  
MINIMUM 52 5:42 AM 36 2010 48 4 40  
AVERAGE 71 63 8 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.08 0.02 -0.02 0.00  
MONTH TO DATE T 0.10 -0.10 0.00  
SINCE SEP 1 T 0.10 -0.10 0.00  
SINCE JAN 1 2.97 6.46 -3.49 6.25  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 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 0 4 -4 6  
MONTH TO DATE 0 19 -19 11  
SINCE SEP 1 0 19 -19 11  
SINCE JUL 1 2 55 -53 14  
 
COOLING  
YESTERDAY 6 2 4 0  
MONTH TO DATE 30 13 17 20  
SINCE SEP 1 30 13 17 20  
SINCE JAN 1 743 481 262 594    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 5:00 AM  
LOWEST 11 3:00 PM  
AVERAGE 33  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 93 2022  
MINIMUM TEMPERATURE (F) 48 32 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 7 2026.....SUNRISE 6:45 AM MDT SUNSET 7:38 PM MDT  
SEPTEMBER 8 2026.....SUNRISE 6:46 AM MDT SUNSET 7:36 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page Main Text Page