226  
CDUS45 KRIW 300726  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
126 AM MDT THU OCT 30 2025  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR OCTOBER 29 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 55 3:35 PM 72 2007 50 5 41  
MINIMUM 22 6:02 AM -3 2019 29 -7 28  
AVERAGE 39 39 0  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.33 1972 0.03 -0.03 0.33  
2024  
MONTH TO DATE 0.75 0.77 -0.02 0.71  
SINCE SEP 1 1.29 1.56 -0.27 1.10  
SINCE JAN 1 4.23 6.80 -2.57 5.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 26 0 30  
MONTH TO DATE 525 585 -60 344  
SINCE SEP 1 688 827 -139 471  
SINCE JUL 1 706 886 -180 502  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE SEP 1 20 11 9 38  
SINCE JAN 1 442 320 122 445    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.7  
 
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 62 6:00 AM  
LOWEST 19 1:00 PM  
AVERAGE 41  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 65 1968  
MINIMUM TEMPERATURE (F) 28 -8 2019  
 
SUNRISE AND SUNSET  
OCTOBER 30 2025.......SUNRISE 7:46 AM MDT SUNSET 6:13 PM MDT  
OCTOBER 31 2025.......SUNRISE 7:47 AM MDT SUNSET 6:12 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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