199  
CDUS46 KMTR 200835  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
135 AM PDT THU JUN 20 2019  
 
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 19 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1927 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 207 PM 92 1962 71 2 67  
MINIMUM 58 1159 PM 45 1955 54 4 56  
AVERAGE 66 62 4 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1991 0.00 0.00 0.00  
1985  
1977  
MONTH TO DATE 0.00 0.09 -0.09 0.00  
SINCE OCT 1 23.31 20.42 2.89 13.86  
SINCE JAN 1 18.43 13.06 5.37 10.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 3  
MONTH TO DATE 38 72 -34 41  
SINCE JUN 1 38 72 -34 41  
SINCE JUL 1 2349 2620 -271 2035  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 60 16 44 11  
SINCE JUN 1 60 16 44 11  
SINCE JAN 1 69 35 34 22    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1200 AM  
LOWEST 61 100 PM  
AVERAGE 74  
   
......................................................
 
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 96 2008  
1973  
MINIMUM TEMPERATURE (F) 54 49 1953  
1946  
 
 
SUNRISE AND SUNSET  
JUNE 20 2019..........SUNRISE 548 AM PDT SUNSET 834 PM PDT  
JUNE 21 2019..........SUNRISE 548 AM PDT SUNSET 834 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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