663  
CDUS45 KRIW 070728  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT THU SEP 07 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 6 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 77 4:47 PM 91 2020 75 2 91  
2022  
MINIMUM 46 5:57 AM 35 2010 47 -1 59  
AVERAGE 62 61 1  
 
PRECIPITATION (IN)  
YESTERDAY T 0.53 1963 0.03 -0.03 0.00  
MONTH TO DATE 0.55 0.13 0.42 0.00  
SINCE SEP 1 0.55 0.13 0.42 0.00  
SINCE JAN 1 3.96 5.37 -1.41 3.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 5 -2 0  
MONTH TO DATE 26 24 2 0  
SINCE SEP 1 26 24 2 0  
SINCE JUL 1 52 83 -31 5  
 
COOLING  
YESTERDAY 0 1 -1 10  
MONTH TO DATE 11 6 5 53  
SINCE SEP 1 11 6 5 53  
SINCE JAN 1 322 315 7 522    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 25 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 2022  
MINIMUM TEMPERATURE (F) 47 29 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 7 2023.....SUNRISE 6:48 AM MDT SUNSET 7:40 PM MDT  
SEPTEMBER 8 2023.....SUNRISE 6:49 AM MDT SUNSET 7:38 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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