154  
CDUS45 KCYS 180032  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
632 PM MDT SUN AUG 17 2025  
   
...............................  
 
...THE ALLIANCE NEBRASKA AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2025...  
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 92 MM 101 2021 87 5 97  
MINIMUM 59 MM 43 2002 54 5 57  
AVERAGE 76 70 6 77  
 
PRECIPITATION (IN)  
TODAY 0.00 0.74 2007 0.04 -0.04 0.00  
MONTH TO DATE 0.35 0.88 -0.53 0.49  
SINCE JUN 1 3.92 6.18 -2.26 3.42  
SINCE JAN 1 10.48 11.63 -1.15 8.89  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 14  
SINCE JUN 1 70 106 -36 56  
SINCE JUL 1 2 16 -14 24  
 
COOLING  
TODAY 11 6 5 12  
MONTH TO DATE 142 122 20 130  
SINCE JUN 1 549 446 103 511  
SINCE JAN 1 569 455 114 515    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 700 AM  
LOWEST 29 500 PM  
AVERAGE 57  
   
......................................................  
 
THE ALLIANCE NEBRASKA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 103 2023  
MINIMUM TEMPERATURE (F) 53 42 2001  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 601 AM MDT SUNSET 748 PM MDT  
AUGUST 18 2025........SUNRISE 603 AM MDT SUNSET 747 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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