866  
CDUS45 KCYS 110739  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
138 AM MDT FRI SEP 11 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 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 59 241 PM 99 2012 79 -20 81  
MINIMUM 27 534 AM 25 1962 46 -19 46  
AVERAGE 43 62 -19 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 0.76 1989 0.05 0.16 0.02  
MONTH TO DATE 0.44 0.54 -0.10 1.34  
SINCE JAN 1 7.57 12.95 -5.38 18.30  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 5 17 1  
MONTH TO DATE 86 35 51 6  
SINCE SEP 1 86 35 51 6  
SINCE JUL 1 97 72 25 30  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 18 25 -7 44  
SINCE SEP 1 18 25 -7 44  
SINCE JAN 1 745 548 197 501    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 5.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 43 1200 PM  
AVERAGE 68  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 1994  
MINIMUM TEMPERATURE (F) 45 24 1902  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2020.....SUNRISE 628 AM MDT SUNSET 707 PM MDT  
SEPTEMBER 12 2020.....SUNRISE 629 AM MDT SUNSET 705 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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