690  
CDUS45 KRIW 290726  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1226 AM MST THU JAN 29 2026  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JANUARY 28 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 2:27 PM 50 1967 30 11 34  
MINIMUM 18 5:41 AM -16 1980 14 4 4  
AVERAGE 30 22 8  
 
PRECIPITATION (IN)  
YESTERDAY T 0.13 1981 0.02 -0.02 0.00  
MONTH TO DATE 0.03 0.34 -0.31 0.04  
SINCE DEC 1 0.13 0.65 -0.52 0.22  
SINCE JAN 1 0.03 0.34 -0.31 0.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 43 -8 46  
MONTH TO DATE 1034 1216 -182 1300  
SINCE DEC 1 1939 2566 -627 2464  
SINCE JUL 1 3431 4520 -1089 4102  
 
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 31 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 11:00 PM  
LOWEST 16 3:00 PM  
AVERAGE 49  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 50 1976  
MINIMUM TEMPERATURE (F) 14 -18 1949  
 
SUNRISE AND SUNSET  
JANUARY 29 2026.......SUNRISE 7:31 AM MST SUNSET 5:28 PM MST  
JANUARY 30 2026.......SUNRISE 7:30 AM MST SUNSET 5:30 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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