905  
CDUS46 KMTR 101230  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE IN SAN FRANCISCO  
530 AM PDT SUN AUG 10 2008  
 
...................................  
   
..THE SAN FRANCISCO CA CLIMATE SUMMARY FOR AUGUST 9 2008  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1927 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 234 PM 95 1970 71 -3 72  
MINIMUM 56 416 AM 48 1954 55 1 57  
AVERAGE 62 63 -1 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.02 1962 0.00 0.00 0.00  
1936  
MONTH TO DATE 0.01 0.00 0.01 0.00  
SINCE JUL 1 0.01 0.03 -0.02 0.01  
SINCE JAN 1 10.20 13.42 -3.22 6.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 2 1 0  
MONTH TO DATE 39 18 21 26  
SINCE JUN 1 266 215 51 182  
SINCE JUL 1 128 95 33 65  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 4 -3 0  
SINCE JUN 1 71 48 23 31  
SINCE JAN 1 115 62 53 53    
..............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 12.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 63 100 PM  
AVERAGE 78  
 
..........................................................  
 
 
THE SAN FRANCISCO CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 85 2002  
1998  
MINIMUM TEMPERATURE (F) 55 47 1951  
 
 
SUNRISE AND SUNSET  
AUGUST 10 2008........SUNRISE 621 AM PDT SUNSET 807 PM PDT  
AUGUST 11 2008........SUNRISE 622 AM PDT SUNSET 806 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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