279  
CDUS45 KRIW 100734  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 9 2023
 
 
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)  
YESTERDAY  
MAXIMUM 81 3:49 PM 94 2021 77 4 56  
MINIMUM 51 6:05 AM 24 2020 47 4 44  
AVERAGE 66 62 4 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.10 0.02 -0.02 0.10  
MONTH TO DATE 0.15 0.15 0.00 0.10  
SINCE SEP 1 0.15 0.15 0.00 0.10  
SINCE JAN 1 10.31 6.51 3.80 6.50  
 
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 15  
MONTH TO DATE 14 31 -17 15  
SINCE SEP 1 14 31 -17 15  
SINCE JUL 1 47 67 -20 16  
 
COOLING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 26 19 7 90  
SINCE SEP 1 26 19 7 90  
SINCE JAN 1 397 487 -90 697    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.0  
 
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 74 6:00 AM  
LOWEST 29 5:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 90 2021  
MINIMUM TEMPERATURE (F) 47 31 2007  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 6:48 AM MDT SUNSET 7:33 PM MDT  
SEPTEMBER 11 2023.....SUNRISE 6:49 AM MDT SUNSET 7:31 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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