126  
CDUS45 KRIW 200733  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT SUN AUG 20 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 19 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 87 2:26 PM 96 2013 85 2 84  
2019  
MINIMUM 59 11:44 PM 43 1996 53 6 60  
2002  
AVERAGE 73 69 4 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.29 0.01 0.09 0.00  
MONTH TO DATE 1.33 0.26 1.07 0.28  
SINCE JUN 1 5.56 1.74 3.82 0.40  
SINCE JAN 1 10.13 6.20 3.93 6.26  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 0.0  
MONTH TO DATE 0.0 0.0  
SINCE JUN 1 T 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 12 6 6 1  
SINCE JUN 1 145 131 14 109  
SINCE JUL 1 33 16 17 1  
 
COOLING  
YESTERDAY 8 5 3 7  
MONTH TO DATE 90 126 -36 152  
SINCE JUN 1 307 417 -110 531  
SINCE JAN 1 307 425 -118 533    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 9:00 PM  
LOWEST 26 2:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 94 2019  
MINIMUM TEMPERATURE (F) 53 39 2016  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 6:25 AM MDT SUNSET 8:09 PM MDT  
AUGUST 21 2023........SUNRISE 6:26 AM MDT SUNSET 8:07 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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