639  
CDUS46 KMTR 190838  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
138 AM PDT TUE MAR 19 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MARCH 18 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 1:56 PM 77 2004 64 0 64  
MINIMUM 51 1:56 AM 37 1973 48 3 47  
AVERAGE 58 56 2 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.72 1989 0.08 -0.08 0.04  
MONTH TO DATE 2.07 1.76 0.31 3.33  
SINCE OCT 1 17.04 16.58 0.46 27.29  
SINCE JAN 1 11.71 9.61 2.10 16.04  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 9 -2 9  
MONTH TO DATE 163 179 -16 223  
SINCE MAR 1 163 179 -16 223  
SINCE JUL 1 1304 1858 -554 1931  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 8:00 PM  
LOWEST 63 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 78 2010  
MINIMUM TEMPERATURE (F) 48 39 1955  
1965  
 
SUNRISE AND SUNSET  
MARCH 19 2024.........SUNRISE 7:14 AM PDT SUNSET 7:21 PM PDT  
MARCH 20 2024.........SUNRISE 7:12 AM PDT SUNSET 7:22 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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