325  
CDUS46 KMTR 230827  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1227 AM PST THU NOV 23 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR NOVEMBER 22 2023
 
 
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)  
YESTERDAY  
MAXIMUM 67 4:56 PM 74 1959 62 5 62  
MINIMUM 48 6:04 AM 36 1947 47 1 43  
1952  
AVERAGE 58 55 3 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.54 1978 0.07 -0.07 0.00  
1982  
2018  
MONTH TO DATE 1.11 1.29 -0.18 1.58  
SINCE OCT 1 1.11 2.08 -0.97 1.59  
SINCE JAN 1 21.31 14.75 6.56 3.76  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 10 -3 12  
MONTH TO DATE 73 171 -98 237  
SINCE SEP 1 110 317 -207 376  
SINCE JUL 1 157 419 -262 437  
 
COOLING  
YESTERDAY 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 1 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 3:00 AM  
LOWEST 34 5:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 77 1959  
MINIMUM TEMPERATURE (F) 47 33 1947  
 
SUNRISE AND SUNSET  
NOVEMBER 23 2023......SUNRISE 6:58 AM PST SUNSET 4:54 PM PST  
NOVEMBER 24 2023......SUNRISE 6:59 AM PST SUNSET 4:53 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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