691  
CDUS45 KRIW 050029  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
629 PM MDT MON SEP 04 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 4 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 4:27 PM 100 2022 80 -18 100  
MINIMUM 51 5:22 AM 37 2008 49 2 56  
AVERAGE 57 64 -7 78  
 
PRECIPITATION (IN)  
TODAY 0.11R 0.10 2008 0.01 0.10 0.00  
MONTH TO DATE 0.11 0.06 0.05 0.00  
SINCE SEP 1 0.11 0.06 0.05 0.00  
SINCE JAN 1 10.27 6.42 3.85 6.40  
 
SNOWFALL (IN)  
TODAY 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 8 3 5 0  
MONTH TO DATE 8 12 -4 0  
SINCE SEP 1 8 12 -4 0  
SINCE JUL 1 41 48 -7 1  
 
COOLING  
TODAY 0 2 -2 13  
MONTH TO DATE 20 9 11 46  
SINCE SEP 1 20 9 11 46  
SINCE JAN 1 391 477 -86 653    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 62  
AVERAGE 79  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 97 2022  
MINIMUM TEMPERATURE (F) 48 40 2008  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2023.....SUNRISE 6:41 AM MDT SUNSET 7:44 PM MDT  
SEPTEMBER 5 2023.....SUNRISE 6:42 AM MDT SUNSET 7:42 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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