424  
CDUS45 KCYS 190728  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
125 AM MDT TUE MAY 19 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR MAY 18 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 73 436 PM 95 1934 71 2 58  
MINIMUM 44 448 AM 27 1946 40 4 35  
AVERAGE 59 56 3 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.94 2017 0.07 -0.07 0.00  
MONTH TO DATE 2.17 1.35 0.82 1.12  
SINCE JAN 1 3.51 4.21 -0.70 4.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 10 -4 18  
MONTH TO DATE 280 228 52 317  
SINCE MAR 1 1857 1713 144 2060  
SINCE JUL 1 7186 7117 69 7125  
 
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 28 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 16.3  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 200 AM  
LOWEST 49 200 PM  
AVERAGE 71  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 93 2009  
MINIMUM TEMPERATURE (F) 40 23 1997  
 
 
SUNRISE AND SUNSET  
MAY 19 2020...........SUNRISE 526 AM MDT SUNSET 810 PM MDT  
MAY 20 2020...........SUNRISE 526 AM MDT SUNSET 811 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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