091  
CDUS45 KRIW 270028  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
628 PM MDT TUE SEP 26 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 26 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 82 3:35 PM 89 2015 69 13 78  
MINIMUM 42 6:11 AM 24 1996 40 2 47  
AVERAGE 62 54 8 63  
 
PRECIPITATION (IN)  
TODAY 0.00 1.25 2013 0.04 -0.04 0.00  
MONTH TO DATE 0.67 0.64 0.03 0.95  
SINCE SEP 1 0.67 0.64 0.03 0.95  
SINCE JAN 1 10.83 7.00 3.83 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 3 11 -8 2  
MONTH TO DATE 89 157 -68 100  
SINCE SEP 1 89 157 -68 100  
SINCE JUL 1 122 193 -71 101  
 
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 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.4  
 
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 63  
LOWEST 13  
AVERAGE 38  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 2001  
MINIMUM TEMPERATURE (F) 40 21 1996  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2023.....SUNRISE 7:05 AM MDT SUNSET 7:04 PM MDT  
SEPTEMBER 27 2023.....SUNRISE 7:06 AM MDT SUNSET 7:02 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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