416  
CDUS45 KCYS 300738  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
138 AM MDT MON SEP 30 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1896 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 319 PM 92 1938 70 18 65  
MINIMUM 52 140 AM 21 1999 36 16 43  
1985  
AVERAGE 70 53 17 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 2014 0.05 -0.05 0.00  
MONTH TO DATE 1.37 1.35 0.02 0.44  
SINCE JAN 1 18.33 13.76 4.57 15.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 12 -12 11  
MONTH TO DATE 101 196 -95 126  
SINCE SEP 1 101 196 -95 126  
SINCE JUL 1 125 233 -108 170  
 
COOLING  
YESTERDAY 5 0 5 0  
MONTH TO DATE 59 38 21 73  
SINCE SEP 1 59 38 21 73  
SINCE JAN 1 516 561 -45 566    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 14.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 18 400 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 1980  
MINIMUM TEMPERATURE (F) 36 18 1985  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2019.....SUNRISE 647 AM MDT SUNSET 635 PM MDT  
OCTOBER 1 2019.......SUNRISE 648 AM MDT SUNSET 633 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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