340  
CDUS45 KCYS 201329  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
729 AM MDT WED AUG 20 2025  
   
...............................  
 
...THE ALLIANCE NEBRASKA AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 96 211 PM 100 1952 86 10 87  
MINIMUM 52 529 AM 38 2004 53 -1 63  
AVERAGE 74 70 4 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.98 1979 0.04 -0.04 0.00  
MONTH TO DATE 0.54 0.96 -0.42 0.49  
SINCE JUN 1 4.11 6.26 -2.15 3.42  
SINCE JAN 1 10.67 11.71 -1.04 8.89  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 7 -7 14  
SINCE JUN 1 70 108 -38 56  
SINCE JUL 1 2 18 -16 24  
 
COOLING  
YESTERDAY 9 6 3 10  
MONTH TO DATE 160 134 26 153  
SINCE JUN 1 567 458 109 534  
SINCE JAN 1 587 467 120 538    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 20 200 PM  
AVERAGE 59  
   
......................................................  
 
THE ALLIANCE NEBRASKA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 102 2013  
MINIMUM TEMPERATURE (F) 53 38 2004  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 605 AM MDT SUNSET 744 PM MDT  
AUGUST 21 2025........SUNRISE 606 AM MDT SUNSET 742 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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