843  
CDUS45 KRIW 100734  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 9 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 81 3:39 PM 88 2021 74 7 70  
MINIMUM 49 4:52 AM 22 1962 46 3 41  
AVERAGE 65 60 5  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.58 1961 0.03 -0.03 0.00  
MONTH TO DATE 0.55 0.20 0.35 0.00  
SINCE SEP 1 0.55 0.20 0.35 0.00  
SINCE JAN 1 3.96 5.44 -1.48 3.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 9  
MONTH TO DATE 27 40 -13 9  
SINCE SEP 1 27 40 -13 9  
SINCE JUL 1 53 99 -46 14  
 
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 24 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 5:00 AM  
LOWEST 10 3:00 PM  
AVERAGE 31  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 87 2021  
MINIMUM TEMPERATURE (F) 46 30 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 6:51 AM MDT SUNSET 7:34 PM MDT  
SEPTEMBER 11 2023.....SUNRISE 6:52 AM MDT SUNSET 7:33 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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