871  
CDUS45 KCYS 170735  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
134 AM MDT TUE SEP 17 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 83 415 PM 96 2000 76 7 93  
MINIMUM 55 539 AM 28 1903 43 12 60  
AVERAGE 69 59 10 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.84 1950 0.04 -0.04 0.00  
MONTH TO DATE 1.37 0.80 0.57 0.09  
SINCE JAN 1 18.33 13.21 5.12 14.70  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 0  
MONTH TO DATE 28 70 -42 11  
SINCE SEP 1 28 70 -42 11  
SINCE JUL 1 52 107 -55 55  
 
COOLING  
YESTERDAY 4 1 3 12  
MONTH TO DATE 51 32 19 56  
SINCE SEP 1 51 32 19 56  
SINCE JAN 1 508 555 -47 549    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 37 200 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 100 2000  
MINIMUM TEMPERATURE (F) 42 29 1965  
1912  
1903  
 
 
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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