894  
CDUS45 KRIW 230031  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
631 PM MDT FRI SEP 22 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 22 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 58 12:04 PM 84 1966 68 -10 70  
MINIMUM 41 4:59 PM 21 2000 42 -1 48  
AVERAGE 50 55 -5 59  
 
PRECIPITATION (IN)  
TODAY 0.16 1.09 2016 0.03 0.13 T  
MONTH TO DATE 0.72 0.55 0.17 0.15  
SINCE SEP 1 0.72 0.55 0.17 0.15  
SINCE JAN 1 4.13 5.79 -1.66 3.37  
 
DEGREE DAYS  
HEATING  
TODAY 15 10 5 6  
MONTH TO DATE 109 144 -35 89  
SINCE SEP 1 109 144 -35 89  
SINCE JUL 1 135 203 -68 94  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 12 8 4 68  
SINCE SEP 1 12 8 4 68  
SINCE JAN 1 323 317 6 537    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 49  
AVERAGE 71  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 83 1966  
MINIMUM TEMPERATURE (F) 41 19 2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2023.....SUNRISE 7:04 AM MDT SUNSET 7:14 PM MDT  
SEPTEMBER 23 2023.....SUNRISE 7:05 AM MDT SUNSET 7:12 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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