450  
CDUS45 KCYS 210727  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR MAY 20 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 70 253 PM 89 1954 66 4 38  
MINIMUM 44 430 AM 22 1931 42 2 29  
AVERAGE 57 54 3 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.73 1904 0.08 -0.08 0.20  
MONTH TO DATE 1.92 1.52 0.40 1.19  
SINCE MAR 1 3.93 4.27 -0.34 2.41  
SINCE JAN 1 6.12 5.14 0.98 3.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 2019 0.1 -0.1 2.0  
MONTH TO DATE 0.0 2.8 -2.8 2.7  
SINCE MAR 1 16.0 23.8 -7.8 17.1  
SINCE JUL 1 62.8 62.3 0.5 53.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 11 -3 31  
MONTH TO DATE 219 298 -79 243  
SINCE MAR 1 1938 1829 109 1841  
SINCE JUL 1 6915 6745 170 6240  
 
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 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 25 200 PM  
AVERAGE 63  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 86 1964  
MINIMUM TEMPERATURE (F) 42 23 1882  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 536 AM MDT SUNSET 816 PM MDT  
MAY 22 2023...........SUNRISE 535 AM MDT SUNSET 817 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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