435  
CDUS46 KMTR 210031  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
431 PM PST MON NOV 20 2023  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR NOVEMBER 20 2023  
 
VALID TODAY AS OF 0400 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 69R 3:44 PM 69 1958 63 6 63  
1989  
2005  
MINIMUM 52 7:30 AM 35 1964 48 4 43  
AVERAGE 61 55 6 53  
 
PRECIPITATION (IN)  
TODAY 0.00 0.75 1961 0.08 -0.08 0.00  
MONTH TO DATE 1.11 1.14 -0.03 1.58  
SINCE OCT 1 1.11 1.93 -0.82 1.59  
SINCE JAN 1 21.31 14.60 6.71 3.76  
 
SNOWFALL (IN)  
TODAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 4 10 -6 12  
MONTH TO DATE 57 151 -94 213  
SINCE SEP 1 94 297 -203 352  
SINCE JUL 1 141 399 -258 413  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 7 0 7 0  
SINCE SEP 1 141 89 52 127  
SINCE JAN 1 280 199 81 280    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 6:00 AM  
LOWEST 25 3:00 PM  
AVERAGE 42  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 70 1958  
MINIMUM TEMPERATURE (F) 48 35 1964  
 
SUNRISE AND SUNSET  
NOVEMBER 20 2023......SUNRISE 6:55 AM PST SUNSET 4:55 PM PST  
NOVEMBER 21 2023......SUNRISE 6:56 AM PST SUNSET 4:55 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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