390  
CDUS45 KRIW 050728  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT TUE SEP 05 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR SEPTEMBER 4 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 62 4:27 PM 100 2022 80 -18 100  
MINIMUM 51 10:16 PM 37 2008 49 2 56  
AVERAGE 57 64 -7 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.14R 0.10 0.01 0.13 0.00  
MONTH TO DATE 0.14 0.06 0.08 0.00  
SINCE SEP 1 0.14 0.06 0.08 0.00  
SINCE JAN 1 10.30 6.42 3.88 6.40  
 
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 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  
YESTERDAY 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 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 AM  
LOWEST 62 4:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 97 2022  
MINIMUM TEMPERATURE (F) 48 40 2008  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2023.....SUNRISE 6:42 AM MDT SUNSET 7:42 PM MDT  
SEPTEMBER 6 2023.....SUNRISE 6:43 AM MDT SUNSET 7:40 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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