522  
CDUS45 KRIW 070727  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST WED JAN 07 2026  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JANUARY 6 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 41 1:20 PM 48 1969 29 12 34  
MINIMUM 23 10:41 PM -25 1979 13 10 21  
AVERAGE 32 21 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11 1980 0.01 -0.01 T  
MONTH TO DATE 0.03 0.07 -0.04 0.01  
SINCE DEC 1 0.13 0.38 -0.25 0.19  
SINCE JAN 1 0.03 0.07 -0.04 0.01  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 44 -11 37  
MONTH TO DATE 187 264 -77 217  
SINCE DEC 1 1092 1614 -522 1381  
SINCE JUL 1 2584 3568 -984 3019  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 12:00 AM  
LOWEST 44 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 55 1969  
MINIMUM TEMPERATURE (F) 13 -26 1979  
 
SUNRISE AND SUNSET  
JANUARY 7 2026.......SUNRISE 7:43 AM MST SUNSET 5:03 PM MST  
JANUARY 8 2026.......SUNRISE 7:43 AM MST SUNSET 5:04 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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