670  
CDUS45 KRIW 220733  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT TUE AUG 22 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 21 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 3:24 PM 92 2003 80 7 81  
MINIMUM 62 11:59 PM 34 1966 52 10 53  
AVERAGE 75 66 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.24 2021 0.02 -0.02 0.00  
MONTH TO DATE 0.75 0.38 0.37 0.92  
SINCE JUN 1 1.99 1.55 0.44 1.88  
SINCE JAN 1 3.24 5.06 -1.82 3.21  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 15 12 3 5  
SINCE JUN 1 198 192 6 150  
SINCE JUL 1 24 33 -9 5  
 
COOLING  
YESTERDAY 10 3 7 2  
MONTH TO DATE 86 92 -6 117  
SINCE JUN 1 281 290 -9 421  
SINCE JAN 1 281 292 -11 421    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 55 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 17.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 11:00 PM  
LOWEST 18 1:00 PM  
AVERAGE 36  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 2009  
2020  
MINIMUM TEMPERATURE (F) 52 37 1966  
 
SUNRISE AND SUNSET  
AUGUST 22 2023........SUNRISE 6:32 AM MDT SUNSET 8:06 PM MDT  
AUGUST 23 2023........SUNRISE 6:33 AM MDT SUNSET 8:04 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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