144  
CDUS45 KRIW 260735  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
135 AM MDT FRI JUN 26 2026  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JUNE 25 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 12:18 PM 93 2012 79 2 78  
MINIMUM 54 6:23 AM 35 1969 50 4 50  
AVERAGE 68 64 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 0.50 1985 0.02 0.09 0.00  
MONTH TO DATE 0.20 0.61 -0.41 0.02  
SINCE JUN 1 0.20 0.61 -0.41 0.02  
SINCE JAN 1 2.04 4.12 -2.08 2.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 1  
MONTH TO DATE 70 146 -76 69  
SINCE JUN 1 70 146 -76 69  
SINCE JUL 1 6116 8051 -1935 7071  
 
COOLING  
YESTERDAY 3 2 1 0  
MONTH TO DATE 33 25 8 67  
SINCE JUN 1 33 25 8 67  
SINCE JAN 1 35 27 8 71    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 28 1:00 PM  
AVERAGE 61  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 1990  
MINIMUM TEMPERATURE (F) 50 36 1975  
 
SUNRISE AND SUNSET  
JUNE 26 2026..........SUNRISE 5:44 AM MDT SUNSET 8:55 PM MDT  
JUNE 27 2026..........SUNRISE 5:44 AM MDT SUNSET 8:55 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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