162  
CDUS45 KCYS 180333  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
930 PM MDT TUE SEP 17 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 83 359 PM 100 2000 76 7 94  
MINIMUM 48 512 AM 29 1965 42 6 56  
1912  
1903  
AVERAGE 66 59 7 75  
 
PRECIPITATION (IN)  
TODAY 0.00 1.25 1996 0.05 -0.05 T  
MONTH TO DATE 1.37 0.85 0.52 0.09  
SINCE JAN 1 18.33 13.26 5.07 14.70  
 
DEGREE DAYS  
HEATING  
TODAY 0 7 -7 0  
MONTH TO DATE 28 77 -49 11  
SINCE SEP 1 28 77 -49 11  
SINCE JUL 1 52 114 -62 55  
 
COOLING  
TODAY 1 1 0 10  
MONTH TO DATE 52 33 19 66  
SINCE SEP 1 52 33 19 66  
SINCE JAN 1 509 556 -47 559    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 31 400 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1998  
MINIMUM TEMPERATURE (F) 42 25 1912  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2019.....SUNRISE 633 AM MDT SUNSET 658 PM MDT  
SEPTEMBER 18 2019.....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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