730  
CDUS46 KMTR 190836  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1236 AM PST SUN NOV 19 2017  
 
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR NOVEMBER 18 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1927 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 62 155 PM 74 1949 62 0 67  
MINIMUM 43 557 AM 36 1964 48 -5 46  
AVERAGE 53 55 -2 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.26 1982 0.08 -0.08 0.00  
MONTH TO DATE 2.38 1.26 1.12 0.02  
SINCE OCT 1 2.59 2.21 0.38 2.80  
SINCE JAN 1 24.78 15.50 9.28 15.24  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 10 2 8  
MONTH TO DATE 124 143 -19 68  
SINCE SEP 1 200 317 -117 186  
SINCE JUL 1 260 430 -170 289  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 214 66 148 77  
SINCE JAN 1 346 163 183 142    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 400 AM  
LOWEST 40 1100 AM  
AVERAGE 58  
   
......................................................
 
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 73 1989  
1895  
MINIMUM TEMPERATURE (F) 48 35 1994  
1964  
 
 
SUNRISE AND SUNSET  
NOVEMBER 19 2017......SUNRISE 654 AM PST SUNSET 456 PM PST  
NOVEMBER 20 2017......SUNRISE 655 AM PST SUNSET 455 PM PST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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