691  
CDUS45 KRIW 280027  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
627 PM MDT WED SEP 27 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 27 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 83 3:21 PM 86 2001 68 15 79  
MINIMUM 47 5:50 AM 21 1996 40 7 44  
AVERAGE 65 54 11 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.44 2004 0.03 -0.03 0.00  
MONTH TO DATE 0.67 0.67 0.00 0.95  
SINCE SEP 1 0.67 0.67 0.00 0.95  
SINCE JAN 1 10.83 7.03 3.80 7.35  
 
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 11 -11 3  
MONTH TO DATE 89 168 -79 103  
SINCE SEP 1 89 168 -79 103  
SINCE JUL 1 122 204 -82 104  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 30 28 2 95  
SINCE SEP 1 30 28 2 95  
SINCE JAN 1 401 496 -95 702    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.4  
 
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 46  
LOWEST 12  
AVERAGE 29  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 2001  
MINIMUM TEMPERATURE (F) 39 26 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2023.....SUNRISE 7:06 AM MDT SUNSET 7:02 PM MDT  
SEPTEMBER 28 2023.....SUNRISE 7:08 AM MDT SUNSET 7:01 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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