418  
CDUS45 KCYS 200738  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1237 AM MST THU FEB 20 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 19 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1896 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 24 142 PM 66 1981 42 -18 16  
MINIMUM 3 1159 PM -16 2006 13 -10 4  
1936  
AVERAGE 14 28 -14 10  
 
PRECIPITATION (IN)  
YESTERDAY T 0.27 1953 0.02 -0.02 T  
MONTH TO DATE 0.01 0.26 -0.25 T  
SINCE JAN 1 0.03 0.44 -0.41 0.01  
 
DEGREE DAYS  
HEATING  
YESTERDAY 51 37 14 55  
MONTH TO DATE 737 740 -3 575  
SINCE DEC 1 3059 3286 -227 2784  
SINCE JUL 1 5033 5085 -52 4616  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 67 700 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 67 1972  
1935  
MINIMUM TEMPERATURE (F) 14 -23 2018  
 
 
SUNRISE AND SUNSET  
FEBRUARY 20 2020......SUNRISE 641 AM MST SUNSET 530 PM MST  
FEBRUARY 21 2020......SUNRISE 639 AM MST SUNSET 531 PM MST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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