651  
CDUS45 KCYS 170751  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
147 AM MDT WED SEP 17 2008  
 
...................................  
   
..THE CHEYENNE WY CLIMATE SUMMARY FOR SEPTEMBER 16 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 78 311 PM 89 2000 70 8 79  
MINIMUM 44 545 AM 23 1965 43 1 53  
AVERAGE 61 56 5 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.47 1906 0.05 -0.05 0.07  
MONTH TO DATE 1.07 0.81 0.26 0.79  
SINCE JAN 1 13.93 12.98 0.95 11.79  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.2 1971 0.1 -0.1 0.0  
MONTH TO DATE T 0.2 -0.2 T  
SINCE SEP 1 T 0.2 -0.2 T  
SINCE JUL 1 T 0.2 -0.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 9 -5 0  
MONTH TO DATE 172 102 70 83  
SINCE SEP 1 172 102 70 83  
SINCE JUL 1 236 173 63 94  
 
COOLING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 0 17 -17 25  
SINCE SEP 1 0 17 -17 25  
SINCE JAN 1 371 271 100 536    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.8  
 
 
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 76 200 AM  
LOWEST 15 200 PM  
AVERAGE 46  
 
..........................................................  
 
 
THE CHEYENNE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 2000  
MINIMUM TEMPERATURE (F) 42 23 1965  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2008.....SUNRISE 642 AM MDT SUNSET 704 PM MDT  
SEPTEMBER 18 2008.....SUNRISE 643 AM MDT SUNSET 702 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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