066  
CDUS45 KCYS 180727  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT THU MAY 18 2023  
   
...............................
 
 
   
..THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR MAY 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 1231 PM 86 1964 65 9 77  
MINIMUM 48 344 AM 24 1942 41 7 48  
AVERAGE 61 53 8 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.52 1.18 1995 0.08 0.44 T  
MONTH TO DATE 1.76 1.29 0.47 0.99  
SINCE MAR 1 3.77 4.04 -0.27 2.21  
SINCE JAN 1 5.96 4.91 1.05 3.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.1 1983 0.0 0.0 0.0  
MONTH TO DATE 0.0 2.5 -2.5 0.7  
SINCE MAR 1 16.0 23.5 -7.5 15.1  
SINCE JUL 1 62.8 62.0 0.8 51.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 12 -8 2  
MONTH TO DATE 186 263 -77 202  
SINCE MAR 1 1905 1794 111 1800  
SINCE JUL 1 6882 6710 172 6199  
 
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 20 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
HAIL  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 300 AM  
LOWEST 22 1200 PM  
AVERAGE 51  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 86 1996  
MINIMUM TEMPERATURE (F) 41 20 1930  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 538 AM MDT SUNSET 813 PM MDT  
MAY 19 2023...........SUNRISE 538 AM MDT SUNSET 814 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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