280  
CDUS46 KMTR 230840  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1240 AM PST TUE JAN 23 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 22 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 61 12:43 PM 71 1968 58 3 60  
MINIMUM 54 10:11 PM 32 1962 45 9 47  
AVERAGE 58 52 6 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.58 1.55 1983 0.12 0.46 0.00  
MONTH TO DATE 3.40 2.81 0.59 9.29  
SINCE OCT 1 8.73 9.78 -1.05 20.54  
SINCE JAN 1 3.40 2.81 0.59 9.29  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 14 -7 11  
MONTH TO DATE 257 308 -51 228  
SINCE DEC 1 530 730 -200 674  
SINCE JUL 1 753 1238 -485 1199  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 8:00 AM  
LOWEST 81 1:00 PM  
AVERAGE 87  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 71 1948  
MINIMUM TEMPERATURE (F) 45 31 1949  
 
SUNRISE AND SUNSET  
JANUARY 23 2024.......SUNRISE 7:20 AM PST SUNSET 5:23 PM PST  
JANUARY 24 2024.......SUNRISE 7:19 AM PST SUNSET 5:24 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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