369  
CDUS46 KMTR 120829  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT SUN MAY 12 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 11 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 70 10:49 AM 85 1959 68 2 63  
MINIMUM 54 5:02 AM 42 1953 51 3 54  
1982  
AVERAGE 62 60 2 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11 1958 0.02 -0.02 0.00  
MONTH TO DATE 0.95 0.21 0.74 0.72  
SINCE OCT 1 20.13 19.12 1.01 31.38  
SINCE JAN 1 14.80 12.15 2.65 20.13  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 6 -3 6  
MONTH TO DATE 54 69 -15 85  
SINCE MAR 1 543 599 -56 732  
SINCE JUL 1 1684 2278 -594 2440  
 
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 11 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 59 11:00 AM  
AVERAGE 73  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 96 1976  
MINIMUM TEMPERATURE (F) 51 42 1953  
 
SUNRISE AND SUNSET  
MAY 12 2024...........SUNRISE 6:02 AM PDT SUNSET 8:10 PM PDT  
MAY 13 2024...........SUNRISE 6:01 AM PDT SUNSET 8:11 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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