502  
CDUS45 KCYS 130727  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
126 AM MDT FRI SEP 13 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 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 68 345 PM 98 1939 78 -10 91  
MINIMUM 39 1152 PM 24 1902 45 -6 58  
AVERAGE 54 61 -7 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.70 1933 0.04 -0.04 0.00  
MONTH TO DATE 1.37 0.63 0.74 0.09  
SINCE JAN 1 18.33 13.04 5.29 14.70  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 5 6 0  
MONTH TO DATE 17 45 -28 11  
SINCE SEP 1 17 45 -28 11  
SINCE JUL 1 41 82 -41 55  
 
COOLING  
YESTERDAY 0 1 -1 10  
MONTH TO DATE 44 28 16 32  
SINCE SEP 1 44 28 16 32  
SINCE JAN 1 501 551 -50 525    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 16.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 39 300 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 1939  
MINIMUM TEMPERATURE (F) 44 28 1903  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2019.....SUNRISE 629 AM MDT SUNSET 705 PM MDT  
SEPTEMBER 14 2019.....SUNRISE 630 AM MDT SUNSET 703 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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