660  
CDUS46 KMTR 100828  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT FRI MAY 10 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 9 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 84 2:50 PM 88 1993 68 16 65  
MINIMUM 60 11:50 PM 41 1950 51 9 53  
AVERAGE 72 59 13 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.20 1980 0.02 -0.02 0.00  
MONTH TO DATE 0.95 0.18 0.77 0.72  
SINCE OCT 1 20.13 19.09 1.04 31.38  
SINCE JAN 1 14.80 12.12 2.68 20.13  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 6  
MONTH TO DATE 51 57 -6 72  
SINCE MAR 1 540 587 -47 719  
SINCE JUL 1 1681 2266 -585 2427  
 
COOLING  
YESTERDAY 7 0 7 0  
MONTH TO DATE 7 0 7 0  
SINCE MAR 1 8 6 2 2  
SINCE JAN 1 8 6 2 2    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (360)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 10:00 PM  
LOWEST 26 3:00 PM  
AVERAGE 49  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 84 2006  
2021  
MINIMUM TEMPERATURE (F) 51 43 1953  
 
SUNRISE AND SUNSET  
MAY 10 2024...........SUNRISE 6:04 AM PDT SUNSET 8:08 PM PDT  
MAY 11 2024...........SUNRISE 6:03 AM PDT SUNSET 8:09 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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