127  
CDUS45 KCYS 130726  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
125 AM MDT SUN SEP 13 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1896 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 320 PM 98 1939 78 1 68  
MINIMUM 37 326 AM 24 1902 45 -8 39  
AVERAGE 58 61 -3 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.70 1933 0.04 -0.04 0.00  
MONTH TO DATE 0.50 0.63 -0.13 1.37  
SINCE JAN 1 7.63 13.04 -5.41 18.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 5 2 11  
MONTH TO DATE 110 45 65 17  
SINCE SEP 1 110 45 65 17  
SINCE JUL 1 121 82 39 41  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 18 28 -10 44  
SINCE SEP 1 18 28 -10 44  
SINCE JAN 1 745 551 194 501    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.8  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 17 300 PM  
AVERAGE 55  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 1939  
MINIMUM TEMPERATURE (F) 44 28 1903  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2020.....SUNRISE 630 AM MDT SUNSET 703 PM MDT  
SEPTEMBER 14 2020.....SUNRISE 631 AM MDT SUNSET 701 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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