445  
CDUS45 KCYS 182129  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
328 PM MDT SUN AUG 18 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR AUGUST 18 2019
 
 
VALID AS OF 0300 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 81 153 PM 99 2010 86 -5 85  
1959  
MINIMUM 57 623 AM 42 2001 54 3 50  
AVERAGE 69 70 -1 68  
 
PRECIPITATION (IN)  
TODAY 0.00 1.27 1979 0.05 -0.05 T  
MONTH TO DATE 2.10 1.01 1.09 0.18  
SINCE JAN 1 15.58 11.72 3.86 14.27  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 3 7 -4 0  
SINCE JUN 1 116 112 4 64  
SINCE JUL 1 5 19 -14 12  
 
COOLING  
TODAY 4 6 -2 3  
MONTH TO DATE 131 131 0 74  
SINCE JUN 1 398 453 -55 425  
SINCE JAN 1 398 463 -65 445    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 300 AM  
LOWEST 39 200 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 100 1952  
MINIMUM TEMPERATURE (F) 54 38 2004  
 
 
SUNRISE AND SUNSET  
AUGUST 18 2019........SUNRISE 602 AM MDT SUNSET 747 PM MDT  
AUGUST 19 2019........SUNRISE 603 AM MDT SUNSET 746 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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