448  
CDUS45 KCYS 100334  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
933 PM MDT WED SEP 9 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 2020
 
 
VALID TODAY AS OF 0900 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 47 435 PM 99 1931 79 -32 81  
MINIMUM 32 601 AM 21 1902 46 -14 48  
AVERAGE 40 63 -23 65  
 
PRECIPITATION (IN)  
TODAY T 1.52 2006 0.05 -0.05 0.03  
MONTH TO DATE 0.23 0.49 -0.26 1.32  
SINCE JAN 1 7.36 12.90 -5.54 18.28  
 
DEGREE DAYS  
HEATING  
TODAY 25 4 21 0  
MONTH TO DATE 63 30 33 5  
SINCE SEP 1 63 30 33 5  
SINCE JUL 1 74 67 7 29  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 18 23 -5 44  
SINCE SEP 1 18 23 -5 44  
SINCE JAN 1 745 546 199 501    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 1.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 49 400 PM  
AVERAGE 71  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 99 2012  
MINIMUM TEMPERATURE (F) 46 25 1962  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2020.....SUNRISE 626 AM MDT SUNSET 710 PM MDT  
SEPTEMBER 10 2020.....SUNRISE 627 AM MDT SUNSET 708 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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