095  
CDUS45 KCYS 210728  
CLIDGW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT THU SEP 21 2017  
 
   
...............................
 
 
   
..THE DOUGLAS WY AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 349 PM 90 2016 73 -1 90  
MINIMUM 40 608 AM 33 2011 40 0 44  
AVERAGE 56 56 0 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 2009 0.05 -0.05 0.00  
MONTH TO DATE 0.18 0.81 -0.63 0.57  
SINCE JAN 1 13.29 10.86 2.43 8.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 9 0 0  
MONTH TO DATE 88 112 -24 103  
SINCE SEP 1 88 112 -24 103  
SINCE JUL 1 101 153 -52 148  
 
COOLING  
YESTERDAY 0 0 0 2  
MONTH TO DATE 50 27 23 29  
SINCE SEP 1 50 27 23 29  
SINCE JAN 1 502 485 17 209    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 13.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 100 AM  
LOWEST 20 100 PM  
AVERAGE 40  
   
......................................................
 
 
 
THE DOUGLAS WY AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 87 2013  
MINIMUM TEMPERATURE (F) 39 25 2011  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2017.....SUNRISE 648 AM MDT SUNSET 700 PM MDT  
SEPTEMBER 22 2017.....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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