913  
CDUS45 KCYS 010335  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
935 PM MDT MON SEP 30 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2019
 
 
VALID TODAY AS OF 0900 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 60 237 PM 90 1980 69 -9 48  
MINIMUM 50 759 PM 18 1985 36 14 43  
AVERAGE 55 52 3 46  
 
PRECIPITATION (IN)  
TODAY 0.00 0.84 1904 0.04 -0.04 T  
MONTH TO DATE 1.37 1.39 -0.02 0.44  
SINCE JAN 1 18.33 13.80 4.53 15.05  
 
DEGREE DAYS  
HEATING  
TODAY 10 13 -3 19  
MONTH TO DATE 111 209 -98 145  
SINCE SEP 1 111 208 -97 145  
SINCE JUL 1 135 245 -110 189  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 59 40 19 73  
SINCE SEP 1 59 40 19 73  
SINCE JAN 1 516 563 -47 566    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 13.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 64 200 PM  
AVERAGE 79  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 2005  
1953  
MINIMUM TEMPERATURE (F) 35 20 1999  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2019.....SUNRISE 647 AM MDT SUNSET 635 PM MDT  
OCTOBER 1 2019.......SUNRISE 648 AM MDT SUNSET 633 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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