439  
CDUS45 KCYS 210727  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
126 AM MDT MON AUG 21 2017  
 
   
...............................
 
 
   
..THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 248 PM 94 2013 81 3 75  
MINIMUM 57 339 AM 37 2016 54 3 37  
1939  
AVERAGE 71 67 4 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 1982 0.05 -0.05 0.00  
MONTH TO DATE 2.08 1.40 0.68 0.84  
SINCE JAN 1 11.89 11.90 -0.01 12.62  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 T  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 9  
MONTH TO DATE 25 20 5 26  
SINCE JUN 1 82 176 -94 55  
SINCE JUL 1 25 42 -17 29  
 
COOLING  
YESTERDAY 6 3 3 0  
MONTH TO DATE 47 88 -41 88  
SINCE JUN 1 307 295 12 400  
SINCE JAN 1 307 298 9 400    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 9.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 900 PM  
LOWEST 20 300 PM  
AVERAGE 38  
   
......................................................
 
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 1960  
MINIMUM TEMPERATURE (F) 54 40 1939  
 
 
SUNRISE AND SUNSET  
AUGUST 21 2017........SUNRISE 615 AM MDT SUNSET 749 PM MDT  
AUGUST 22 2017........SUNRISE 616 AM MDT SUNSET 747 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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