407  
CDUS45 KCYS 210728  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT MON OCT 21 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 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 50 1253 PM 84 1947 60 -10 66  
MINIMUM 31 256 AM 10 1916 28 3 22  
1905  
AVERAGE 41 44 -3 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 1.32 1908 0.04 0.12 0.00  
MONTH TO DATE 0.22 0.85 -0.63 0.44  
SINCE JAN 1 18.55 14.65 3.90 15.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 21 3 21  
MONTH TO DATE 455 343 112 473  
SINCE SEP 1 569 551 18 618  
SINCE JUL 1 593 588 5 662  
 
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 33 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 21.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 800 PM  
LOWEST 39 1000 AM  
AVERAGE 68  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 84 1947  
MINIMUM TEMPERATURE (F) 28 13 1996  
 
 
SUNRISE AND SUNSET  
OCTOBER 21 2019.......SUNRISE 710 AM MDT SUNSET 601 PM MDT  
OCTOBER 22 2019.......SUNRISE 712 AM MDT SUNSET 559 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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