471  
CDUS45 KCYS 160727  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT WED SEP 16 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 93 237 PM 97 1948 77 16 89  
MINIMUM 42 513 AM 29 1988 43 -1 46  
AVERAGE 68 60 8 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.61 1918 0.04 -0.04 0.00  
MONTH TO DATE 0.50 0.76 -0.26 1.37  
SINCE JAN 1 7.63 13.17 -5.54 18.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 113 63 50 28  
SINCE SEP 1 113 63 50 28  
SINCE JUL 1 124 100 24 52  
 
COOLING  
YESTERDAY 3 1 2 3  
MONTH TO DATE 24 31 -7 47  
SINCE SEP 1 24 31 -7 47  
SINCE JAN 1 751 554 197 504    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 6.8  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 10 100 PM  
AVERAGE 47  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 96 2000  
MINIMUM TEMPERATURE (F) 43 28 1903  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2020.....SUNRISE 633 AM MDT SUNSET 658 PM MDT  
SEPTEMBER 17 2020.....SUNRISE 634 AM MDT SUNSET 656 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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