558  
CDUS45 KCYS 190729  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
129 AM MDT THU SEP 19 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 76 251 PM 94 1998 75 1 78  
MINIMUM 39 444 AM 25 1912 42 -3 57  
AVERAGE 58 58 0 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 1946 0.04 -0.04 0.01  
MONTH TO DATE 1.37 0.89 0.48 0.10  
SINCE JAN 1 18.33 13.30 5.03 14.71  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 8 -1 0  
MONTH TO DATE 35 85 -50 11  
SINCE SEP 1 35 85 -50 11  
SINCE JUL 1 59 122 -63 55  
 
COOLING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 52 34 18 69  
SINCE SEP 1 52 34 18 69  
SINCE JAN 1 509 557 -48 562    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 500 AM  
LOWEST 29 100 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1937  
MINIMUM TEMPERATURE (F) 41 27 1971  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2019.....SUNRISE 635 AM MDT SUNSET 654 PM MDT  
SEPTEMBER 20 2019.....SUNRISE 636 AM MDT SUNSET 652 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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