031  
CDUS45 KRIW 090731  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
131 AM MDT THU OCT 09 2025  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR OCTOBER 8 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 71 3:53 PM 76 2020 60 11 72  
MINIMUM 36 6:51 AM 20 1985 36 0 42  
AVERAGE 54 48 6  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 1949 0.02 -0.02 0.00  
MONTH TO DATE 0.24 0.23 0.01 0.00  
SINCE SEP 1 0.78 1.02 -0.24 0.39  
SINCE JAN 1 3.72 6.26 -2.54 4.62  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 17 -6 8  
MONTH TO DATE 109 126 -17 45  
SINCE SEP 1 272 368 -96 172  
SINCE JUL 1 290 427 -137 203  
 
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 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.5  
 
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 75 7:00 AM  
LOWEST 16 4:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 79 2003  
MINIMUM TEMPERATURE (F) 35 15 2009  
2019  
 
SUNRISE AND SUNSET  
OCTOBER 9 2025.......SUNRISE 7:22 AM MDT SUNSET 6:44 PM MDT  
OCTOBER 10 2025.......SUNRISE 7:23 AM MDT SUNSET 6:42 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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