514  
CDUS45 KCYS 180741  
CLIDGW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
138 AM MDT FRI SEP 18 2020  
 
   
...............................
 
 
   
..THE DOUGLAS WY AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 300 PM 93 2000 74 5 86  
MINIMUM 42 535 AM 32 2017 41 1 40  
2016  
2003  
AVERAGE 61 58 3 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.59 2003 0.05 -0.05 0.00  
MONTH TO DATE 0.30 0.67 -0.37 0.68  
SINCE JAN 1 4.87 10.72 -5.85 8.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 8 -4 2  
MONTH TO DATE 137 86 51 41  
SINCE SEP 1 137 86 51 41  
SINCE JUL 1 148 127 21 62  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 21 27 -6 63  
SINCE SEP 1 21 27 -6 63  
SINCE JAN 1 624 485 139 508    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 21 100 PM  
AVERAGE 55  
   
......................................................
 
 
 
THE DOUGLAS WY AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 2014  
MINIMUM TEMPERATURE (F) 41 32 2003  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2020.....SUNRISE 645 AM MDT SUNSET 705 PM MDT  
SEPTEMBER 19 2020.....SUNRISE 646 AM MDT SUNSET 703 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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