145  
CDUS45 KCYS 200734  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
132 AM MDT SAT SEP 20 2008  
 
...................................  
   
..THE CHEYENNE WY CLIMATE SUMMARY FOR SEPTEMBER 19 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 72 259 PM 88 1935 69 3 73  
MINIMUM 47 1158 PM 18 1942 42 5 44  
AVERAGE 60 55 5 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1997 0.05 -0.05 0.00  
MONTH TO DATE 1.07 0.96 0.11 0.88  
SINCE JAN 1 13.93 13.13 0.80 11.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.8 1942 0.1 -0.1 0.0  
MONTH TO DATE T 0.5 -0.5 T  
SINCE SEP 1 T 0.5 -0.5 T  
SINCE JUL 1 T 0.5 -0.5 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 10 -5 6  
MONTH TO DATE 182 130 52 99  
SINCE SEP 1 182 130 52 99  
SINCE JUL 1 246 201 45 110  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 19 -19 25  
SINCE SEP 1 0 19 -19 25  
SINCE JAN 1 371 273 98 536    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE 74 PERCENT  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 1100 PM  
LOWEST 27 300 PM  
AVERAGE 49  
 
..........................................................  
 
 
THE CHEYENNE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 87 1956  
MINIMUM TEMPERATURE (F) 41 21 1983  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2008.....SUNRISE 645 AM MDT SUNSET 659 PM MDT  
SEPTEMBER 21 2008.....SUNRISE 646 AM MDT SUNSET 657 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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