137  
CDUS45 KCYS 220729  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
129 AM MDT FRI OCT 22 2021  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR OCTOBER 21 2021...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 62 332 PM 78 2003 57 5 69  
MINIMUM 34 559 AM 13 1911 32 2 34  
AVERAGE 48 44 4 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.69 1914 0.03 -0.03 0.00  
MONTH TO DATE 0.55 0.72 -0.17 T  
SINCE SEP 1 0.83 2.19 -1.36 0.60  
SINCE JAN 1 13.36 14.04 -0.68 8.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.2 1906 0.3 -0.3 0.0  
MONTH TO DATE 1.3 3.5 -2.2 T  
SINCE SEP 1 1.3 4.5 -3.2 1.1  
SINCE JUL 1 1.3 4.5 -3.2 1.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 21 -4 13  
MONTH TO DATE 303 351 -48 256  
SINCE SEP 1 405 547 -142 447  
SINCE JUL 1 414 597 -183 460  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 66 32 34 44  
SINCE JAN 1 603 397 206 605    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.0  
 
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 75 100 AM  
LOWEST 24 200 PM  
AVERAGE 50  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 81 2003  
MINIMUM TEMPERATURE (F) 32 10 1935  
 
SUNRISE AND SUNSET  
OCTOBER 22 2021.......SUNRISE 719 AM MDT SUNSET 608 PM MDT  
OCTOBER 23 2021.......SUNRISE 720 AM MDT SUNSET 606 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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