929  
CDUS45 KRIW 010028  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
628 PM MDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 30 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 76 1:45 PM 80 1980 64 12 60  
MINIMUM 49 5:52 AM 15 1985 39 10 42  
AVERAGE 63 51 12 51  
 
PRECIPITATION (IN)  
TODAY 0.00 0.34 1971 0.03 -0.03 0.22  
MONTH TO DATE 0.74 0.79 -0.05 0.62  
SINCE SEP 1 0.74 0.79 -0.05 0.62  
SINCE JAN 1 4.15 6.03 -1.88 3.84  
 
DEGREE DAYS  
HEATING  
TODAY 2 14 -12 14  
MONTH TO DATE 172 242 -70 144  
SINCE SEP 1 172 242 -70 144  
SINCE JUL 1 198 301 -103 149  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 12 11 1 68  
SINCE SEP 1 12 11 1 68  
SINCE JAN 1 323 320 3 537    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 54 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 18.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 33  
LOWEST 12  
AVERAGE 23  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 79 1957  
MINIMUM TEMPERATURE (F) 38 23 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 7:12 AM MDT SUNSET 7:00 PM MDT  
OCTOBER 1 2023.......SUNRISE 7:13 AM MDT SUNSET 6:58 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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