991  
CDUS46 KMTR 220829  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT MON APR 22 2024  
   
...............................  
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 21 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 72 1:47 PM 86 2009 66 6 72  
MINIMUM 53 5:38 AM 39 1968 49 4 51  
AVERAGE 63 58 5 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.83 1961 0.03 -0.03 0.00  
MONTH TO DATE 0.77 1.12 -0.35 0.10  
SINCE OCT 1 19.18 18.67 0.51 30.66  
SINCE JAN 1 13.85 11.70 2.15 19.41  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 8 -6 3  
MONTH TO DATE 156 171 -15 207  
SINCE MAR 1 433 467 -34 598  
SINCE JUL 1 1574 2146 -572 2306  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 1 1 0 0  
SINCE JAN 1 1 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 AM  
LOWEST 53 1:00 PM  
AVERAGE 71  
   
......................................................  
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 83 2013  
MINIMUM TEMPERATURE (F) 50 42 1951  
1961  
1963  
 
SUNRISE AND SUNSET  
APRIL 22 2024.........SUNRISE 6:24 AM PDT SUNSET 7:52 PM PDT  
APRIL 23 2024.........SUNRISE 6:23 AM PDT SUNSET 7:53 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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