134  
CDUS45 KRIW 120733  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
133 AM MDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 11 2023
 
 
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)  
YESTERDAY  
MAXIMUM 73 3:35 PM 85 1990 73 0 79  
MINIMUM 45 6:17 AM 27 1989 46 -1 39  
2014  
AVERAGE 59 59 0  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.00 1973 0.03 -0.03 0.00  
MONTH TO DATE 0.55 0.25 0.30 0.00  
SINCE SEP 1 0.55 0.25 0.30 0.00  
SINCE JAN 1 3.96 5.49 -1.53 3.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 6 0 6  
MONTH TO DATE 36 52 -16 29  
SINCE SEP 1 36 52 -16 29  
SINCE JUL 1 62 111 -49 34  
 
COOLING  
YESTERDAY 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 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.0  
 
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 82 2:00 AM  
LOWEST 23 5:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 88 1990  
MINIMUM TEMPERATURE (F) 45 21 2014  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 6:53 AM MDT SUNSET 7:31 PM MDT  
SEPTEMBER 13 2023.....SUNRISE 6:54 AM MDT SUNSET 7:29 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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