860  
CDUS46 KMTR 130837  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT MON MAY 13 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 12 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 1:40 PM 96 1976 68 -4 69  
MINIMUM 52 11:49 PM 42 1953 51 1 53  
AVERAGE 58 60 -2 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.40 1998 0.01 -0.01 T  
MONTH TO DATE 0.95 0.22 0.73 0.72  
SINCE OCT 1 20.13 19.13 1.00 31.38  
SINCE JAN 1 14.80 12.16 2.64 20.13  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 6 1 4  
MONTH TO DATE 61 75 -14 89  
SINCE MAR 1 550 605 -55 736  
SINCE JUL 1 1691 2284 -593 2444  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 10 0 10 0  
SINCE MAR 1 11 6 5 2  
SINCE JAN 1 11 6 5 2    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 2:00 AM  
LOWEST 65 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 92 2014  
MINIMUM TEMPERATURE (F) 51 45 1956  
1968  
 
SUNRISE AND SUNSET  
MAY 13 2024...........SUNRISE 6:01 AM PDT SUNSET 8:11 PM PDT  
MAY 14 2024...........SUNRISE 6:00 AM PDT SUNSET 8:12 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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