373  
CDUS46 KMTR 060044  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
544 PM PDT MON MAY 05 2025  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 5 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 3:08 PM 91 1987 67 14 60  
MINIMUM 53 2:13 AM 41 1965 51 2 48  
AVERAGE 67 59 8 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.24 1983 0.02 -0.02 0.00  
MONTH TO DATE 0.01 0.10 -0.09 0.95  
SINCE OCT 1 16.01 19.01 -3.00 20.13  
SINCE JAN 1 7.45 12.04 -4.59 14.80  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 11  
MONTH TO DATE 34 33 1 36  
SINCE MAR 1 570 563 7 525  
SINCE JUL 1 2103 2242 -139 1666  
 
COOLING  
TODAY 2 0 2 0  
MONTH TO DATE 2 0 2 0  
SINCE MAR 1 5 6 -1 1  
SINCE JAN 1 5 6 -1 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 12:00 AM  
LOWEST 20 4:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 87 1949  
MINIMUM TEMPERATURE (F) 51 41 1968  
 
SUNRISE AND SUNSET  
MAY 5 2025...........SUNRISE 6:09 AM PDT SUNSET 8:04 PM PDT  
MAY 6 2025...........SUNRISE 6:08 AM PDT SUNSET 8:05 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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