533  
CDUS46 KMTR 020030  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
530 PM PDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1927 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 74 12:20 PM 97 1980 75 -1 72  
MINIMUM 57 6:34 AM 42 1950 55 2 55  
AVERAGE 66 65 1 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.34 1976 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE OCT 1 0.00 0.01 -0.01 0.00  
SINCE JAN 1 20.20 12.68 7.52 2.17  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE MM  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 1  
MONTH TO DATE 0 2 -2 1  
SINCE SEP 1 6 48 -42 14  
SINCE JUL 1 53 150 -97 75  
 
COOLING  
TODAY 1 2 -1 0  
MONTH TO DATE 1 2 -1 0  
SINCE SEP 1 49 58 -9 114  
SINCE JAN 1 188 168 20 267    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 6:00 AM  
LOWEST 46 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 96 1980  
MINIMUM TEMPERATURE (F) 55 41 1950  
 
SUNRISE AND SUNSET  
OCTOBER 1 2023.......SUNRISE 7:05 AM PDT SUNSET 6:53 PM PDT  
OCTOBER 2 2023.......SUNRISE 7:06 AM PDT SUNSET 6:51 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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