694  
CDUS45 KRIW 200728  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT FRI JUN 20 2025  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JUNE 19 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 93R 2:12 PM 91 1989 76 17 74  
MINIMUM 53 4:52 AM 32 1973 48 5 38  
AVERAGE 73 62 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.53 2000 0.03 -0.03 0.00  
MONTH TO DATE 0.02 0.50 -0.48 0.07  
SINCE JUN 1 0.02 0.50 -0.48 0.07  
SINCE JAN 1 2.33 4.01 -1.68 2.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 9  
MONTH TO DATE 44 125 -81 54  
SINCE JUN 1 44 125 -81 54  
SINCE JUL 1 7046 8030 -984 7489  
 
COOLING  
YESTERDAY 8 1 7 0  
MONTH TO DATE 55 14 41 39  
SINCE JUN 1 55 14 41 39  
SINCE JAN 1 59 16 43 39    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.0  
 
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 34 5:00 AM  
LOWEST 6 2:00 PM  
AVERAGE 20  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 91 2016  
MINIMUM TEMPERATURE (F) 48 33 1975  
 
SUNRISE AND SUNSET  
JUNE 20 2025..........SUNRISE 5:42 AM MDT SUNSET 8:54 PM MDT  
JUNE 21 2025..........SUNRISE 5:42 AM MDT SUNSET 8:54 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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