111  
CDUS45 KRIW 190732  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
132 AM MDT THU JUN 19 2025  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JUNE 18 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 83 5:34 PM 92 2021 76 7 61  
MINIMUM 48 3:06 AM 29 1973 48 0 34  
AVERAGE 66 62 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.40 1964 0.02 -0.02 0.00  
MONTH TO DATE 0.02 0.47 -0.45 0.07  
SINCE JUN 1 0.02 0.47 -0.45 0.07  
SINCE JAN 1 2.33 3.98 -1.65 2.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 17  
MONTH TO DATE 44 121 -77 45  
SINCE JUN 1 44 121 -77 45  
SINCE JUL 1 7046 8026 -980 7480  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 47 13 34 39  
SINCE JUN 1 47 13 34 39  
SINCE JAN 1 51 15 36 39    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 8.6  
 
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 52 5:00 AM  
LOWEST 12 5:00 PM  
AVERAGE 32  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 91 1989  
MINIMUM TEMPERATURE (F) 48 32 1973  
 
SUNRISE AND SUNSET  
JUNE 19 2025..........SUNRISE 5:42 AM MDT SUNSET 8:54 PM MDT  
JUNE 20 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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