492  
CDUS45 KCYS 190730  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
129 AM MDT FRI SEP 19 2008  
 
...................................  
   
..THE CHEYENNE WY CLIMATE SUMMARY FOR SEPTEMBER 18 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 77 1246 PM 88 1937 69 8 73  
MINIMUM 48 109 AM 24 1971 42 6 47  
AVERAGE 63 56 7 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 1986 0.05 -0.05 T  
MONTH TO DATE 1.07 0.91 0.16 0.88  
SINCE JAN 1 13.93 13.08 0.85 11.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1942 0.1 -0.1 0.0  
MONTH TO DATE T 0.4 -0.4 T  
SINCE SEP 1 T 0.4 -0.4 T  
SINCE JUL 1 T 0.4 -0.4 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 9 -7 5  
MONTH TO DATE 177 120 57 93  
SINCE SEP 1 177 120 57 93  
SINCE JUL 1 241 191 50 104  
 
COOLING  
YESTERDAY 0 1 -1 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 22 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE 83 PERCENT  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 100 AM  
LOWEST 23 1200 PM  
AVERAGE 45  
 
..........................................................  
 
 
THE CHEYENNE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 88 1935  
MINIMUM TEMPERATURE (F) 42 18 1942  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2008.....SUNRISE 644 AM MDT SUNSET 701 PM MDT  
SEPTEMBER 20 2008.....SUNRISE 645 AM MDT SUNSET 659 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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