270  
CDUS46 KMTR 160827  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE IN SAN FRANCISCO  
127 AM PDT FRI OCT 16 2009  
 
   
...............................
 
 
   
..THE NAPA CA CLIMATE SUMMARY FOR OCTOBER 15 2009
 
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1994 TO 2009  
 
WEATHER ITEM OBSERVED TIME LAST  
VALUE (LST) YEAR    
....................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 354 PM 84  
MINIMUM 56 1149 PM 41  
AVERAGE 65 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.00  
MONTH TO DATE 3.68 0.01  
SINCE JUL 1 3.81 0.01  
SINCE JAN 1 15.33 11.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2  
MONTH TO DATE 103 46  
SINCE SEP 1 130 100  
SINCE JUL 1 201 142  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 1 1  
SINCE SEP 1 102 64  
SINCE JAN 1 271 335    
....................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 3.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1000 PM  
LOWEST 68 300 PM  
AVERAGE 84  
   
......................................................
 
 
 
THE NAPA CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) MM MM MM  
MINIMUM TEMPERATURE (F) MM MM MM  
 
 
SUNRISE AND SUNSET  
OCTOBER 16 2009.......SUNRISE 719 AM PDT SUNSET 629 PM PDT  
OCTOBER 17 2009.......SUNRISE 720 AM PDT SUNSET 628 PM PDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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