864  
CDUS45 KCYS 180801  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
157 AM MDT THU SEP 18 2008  
 
...................................  
   
..THE CHEYENNE WY CLIMATE SUMMARY FOR SEPTEMBER 17 2008
 
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1871 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 134 PM 91 2000 70 8 69  
MINIMUM 45 349 AM 23 1965 42 3 50  
AVERAGE 62 56 6 60  
 
PRECIPITATION (IN)  
YESTERDAY T 0.34 1971 0.05 -0.05 0.09  
MONTH TO DATE 1.07 0.86 0.21 0.88  
SINCE JAN 1 13.93 13.03 0.90 11.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.6 1971 0.1 -0.1 0.0  
MONTH TO DATE T 0.3 -0.3 T  
SINCE SEP 1 T 0.3 -0.3 T  
SINCE JUL 1 T 0.3 -0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 9 -6 5  
MONTH TO DATE 175 111 64 88  
SINCE SEP 1 175 111 64 88  
SINCE JUL 1 239 182 57 99  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 18 -18 25  
SINCE SEP 1 0 18 -18 25  
SINCE JAN 1 371 272 99 536    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE 85 PERCENT  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 100 AM  
LOWEST 21 100 PM  
AVERAGE 46  
 
..........................................................  
 
 
THE CHEYENNE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 88 1937  
MINIMUM TEMPERATURE (F) 42 24 1971  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2008.....SUNRISE 643 AM MDT SUNSET 702 PM MDT  
SEPTEMBER 19 2008.....SUNRISE 644 AM MDT SUNSET 701 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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