888  
CDUS45 KCYS 112129  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
328 PM MDT WED SEP 11 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 2019
 
 
VALID AS OF 0300 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 75 106 PM 97 1994 78 -3 94  
MINIMUM 55 342 AM 24 1902 45 10 51  
AVERAGE 65 62 3 73  
 
PRECIPITATION (IN)  
TODAY 0.01 1.90 1973 0.05 -0.04 0.00  
MONTH TO DATE 1.35 0.59 0.76 0.09  
SINCE JAN 1 18.31 13.00 5.31 14.70  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 0  
MONTH TO DATE 6 40 -34 11  
SINCE SEP 1 6 40 -34 11  
SINCE JUL 1 30 77 -47 55  
 
COOLING  
TODAY 0 2 -2 8  
MONTH TO DATE 44 27 17 22  
SINCE SEP 1 44 27 17 22  
SINCE JAN 1 501 550 -49 515    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 68 100 PM  
AVERAGE 81  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 98 1939  
MINIMUM TEMPERATURE (F) 45 24 1902  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2019.....SUNRISE 627 AM MDT SUNSET 708 PM MDT  
SEPTEMBER 12 2019.....SUNRISE 628 AM MDT SUNSET 706 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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