560  
CDUS45 KRIW 170029  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
629 PM MDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 16 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 75 4:11 PM 84 2000 71 4 64  
MINIMUM 40 4:52 AM 18 1965 44 -4 45  
AVERAGE 58 57 1 55  
 
PRECIPITATION (IN)  
TODAY 0.00 0.68 1965 0.03 -0.03 0.01  
MONTH TO DATE 0.55 0.38 0.17 0.09  
SINCE SEP 1 0.55 0.38 0.17 0.09  
SINCE JAN 1 3.96 5.62 -1.66 3.31  
 
DEGREE DAYS  
HEATING  
TODAY 7 8 -1 10  
MONTH TO DATE 69 88 -19 58  
SINCE SEP 1 69 88 -19 58  
SINCE JUL 1 95 147 -52 63  
 
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 13 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.6  
 
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 64  
LOWEST 15  
AVERAGE 40  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 83 2010  
MINIMUM TEMPERATURE (F) 44 10 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 6:57 AM MDT SUNSET 7:24 PM MDT  
SEPTEMBER 17 2023.....SUNRISE 6:58 AM MDT SUNSET 7:22 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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