897  
CDUS45 KRIW 210730  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT MON AUG 21 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 20 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 77 5:22 PM 94 2019 85 -8 86  
MINIMUM 55 5:06 AM 39 2016 53 2 52  
AVERAGE 66 69 -3 69  
 
PRECIPITATION (IN)  
YESTERDAY T 0.15 0.01 -0.01 0.00  
MONTH TO DATE 1.33 0.27 1.06 0.28  
SINCE JUN 1 5.56 1.75 3.81 0.40  
SINCE JAN 1 10.13 6.21 3.92 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 7 5 1  
SINCE JUN 1 145 132 13 109  
SINCE JUL 1 33 17 16 1  
 
COOLING  
YESTERDAY 1 5 -4 4  
MONTH TO DATE 91 131 -40 156  
SINCE JUN 1 308 422 -114 535  
SINCE JAN 1 308 430 -122 537    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 50 6:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 94 2010  
MINIMUM TEMPERATURE (F) 53 44 2021  
 
SUNRISE AND SUNSET  
AUGUST 21 2023........SUNRISE 6:26 AM MDT SUNSET 8:07 PM MDT  
AUGUST 22 2023........SUNRISE 6:27 AM MDT SUNSET 8:05 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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