694  
CDUS45 KCYS 210728  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT SAT SEP 21 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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 82 232 PM 97 1956 74 8 70  
MINIMUM 52 1159 PM 27 1927 41 11 39  
AVERAGE 67 57 10 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.89 1995 0.04 -0.04 0.04  
MONTH TO DATE 1.37 0.98 0.39 0.15  
SINCE JAN 1 18.33 13.39 4.94 14.76  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 10  
MONTH TO DATE 35 101 -66 26  
SINCE SEP 1 35 101 -66 26  
SINCE JUL 1 59 138 -79 70  
 
COOLING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 54 36 18 69  
SINCE SEP 1 54 36 18 69  
SINCE JAN 1 511 559 -48 562    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 17.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 700 AM  
LOWEST 40 200 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 2005  
MINIMUM TEMPERATURE (F) 40 22 1913  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2019.....SUNRISE 637 AM MDT SUNSET 651 PM MDT  
SEPTEMBER 22 2019.....SUNRISE 638 AM MDT SUNSET 649 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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