521  
CDUS45 KCYS 210726  
CLIDGW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
126 AM MDT SUN SEP 21 2025  
   
...............................  
 
...THE CONVERSE CO (DOUGLAS) WY ARPT CLIMATE SUMMARY FOR SEPTEMBER 20 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 1249 PM 90 2016 75 4 84  
MINIMUM 47 455 AM 33 2011 41 6 37  
AVERAGE 63 58 5 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 2009 0.04 -0.04 0.00  
MONTH TO DATE 2.33 0.62 1.71 0.41  
SINCE SEP 1 2.33 0.62 1.71 0.41  
SINCE JAN 1 11.73 9.33 2.40 7.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 8 -6 4  
MONTH TO DATE 59 94 -35 27  
SINCE SEP 1 59 94 -35 27  
SINCE JUL 1 73 131 -58 60  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 27 33 -6 46  
SINCE SEP 1 27 33 -6 46  
SINCE JAN 1 540 510 30 594    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.9  
 
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 97 600 AM  
LOWEST 25 200 PM  
AVERAGE 61  
   
......................................................  
 
THE CONVERSE CO (DOUGLAS) WY ARPT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 87 2013  
2017  
MINIMUM TEMPERATURE (F) 41 25 2011  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2025.....SUNRISE 648 AM MDT SUNSET 700 PM MDT  
SEPTEMBER 22 2025.....SUNRISE 649 AM MDT SUNSET 658 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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