405  
CDUS45 KCYS 010731  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
130 AM MDT WED OCT 1 2008  
 
...................................  
   
..THE CHEYENNE WY CLIMATE SUMMARY FOR SEPTEMBER 30 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 76 227 PM 85 1980 65 11 66  
MINIMUM 39 156 AM 8 1985 38 1 41  
AVERAGE 58 52 6 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.12 1911 0.04 -0.04 0.03  
MONTH TO DATE 1.12 1.43 -0.31 1.23  
SINCE JAN 1 13.98 13.60 0.38 12.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.8 1907 0.1 -0.1 0.0  
MONTH TO DATE T 1.6 -1.6 T  
SINCE SEP 1 T 1.6 -1.6 T  
SINCE JUL 1 T 1.6 -1.6 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 13 -6 11  
MONTH TO DATE 253 255 -2 194  
SINCE SEP 1 253 255 -2 194  
SINCE JUL 1 317 326 -9 205  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 19 -18 25  
SINCE SEP 1 1 19 -18 25  
SINCE JAN 1 372 273 99 536    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE 100 PERCENT  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 1200 AM  
LOWEST 18 300 PM  
AVERAGE 47  
 
..........................................................  
 
 
THE CHEYENNE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 83 1992  
1892  
MINIMUM TEMPERATURE (F) 38 23 1985  
1876  
 
 
SUNRISE AND SUNSET  
OCTOBER 1 2008.......SUNRISE 656 AM MDT SUNSET 640 PM MDT  
OCTOBER 2 2008.......SUNRISE 657 AM MDT SUNSET 639 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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