498  
CDUS45 KCYS 210729  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT THU MAY 21 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR MAY 20 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 77 326 PM 91 2005 72 5 40  
1992  
MINIMUM 51 1159 PM 23 1931 41 10 35  
AVERAGE 64 56 8 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.43 2.48 1988 0.09 0.34 0.67  
MONTH TO DATE 2.60 1.52 1.08 1.79  
SINCE JAN 1 3.94 4.38 -0.44 4.67  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 9 -8 27  
MONTH TO DATE 282 246 36 367  
SINCE MAR 1 1859 1731 128 2110  
SINCE JUL 1 7188 7135 53 7175  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 26.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 34 800 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 1964  
MINIMUM TEMPERATURE (F) 41 25 1931  
 
 
SUNRISE AND SUNSET  
MAY 21 2020...........SUNRISE 525 AM MDT SUNSET 812 PM MDT  
MAY 22 2020...........SUNRISE 524 AM MDT SUNSET 812 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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