420  
CDUS45 KCYS 201519  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
919 AM MDT SUN OCT 20 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR OCTOBER 19 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 61 320 PM 90 2003 61 0 65  
MINIMUM 19 526 AM 12 1917 28 -9 29  
AVERAGE 40 45 -5 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.71 1908 0.03 -0.03 0.00  
MONTH TO DATE 0.06 0.81 -0.75 0.44  
SINCE JAN 1 18.39 14.61 3.78 15.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 21 4 18  
MONTH TO DATE 431 322 109 452  
SINCE SEP 1 545 530 15 597  
SINCE JUL 1 569 567 2 641  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 59 40 19 73  
SINCE JAN 1 516 563 -47 566    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 9.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 21 400 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 84 1947  
MINIMUM TEMPERATURE (F) 28 10 1916  
1905  
 
 
SUNRISE AND SUNSET  
OCTOBER 20 2019.......SUNRISE 709 AM MDT SUNSET 602 PM MDT  
OCTOBER 21 2019.......SUNRISE 710 AM MDT SUNSET 601 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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