338  
CDUS46 KMTR 120831  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
131 AM PDT FRI APR 12 2024  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 11 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 71 11:48 AM 84 1988 65 6 62  
MINIMUM 51 6:08 AM 38 1953 49 2 50  
1967  
AVERAGE 61 57 4 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.92 2010 0.05 -0.05 0.00  
MONTH TO DATE 0.50 0.68 -0.18 0.06  
SINCE OCT 1 18.91 18.23 0.68 30.62  
SINCE JAN 1 13.58 11.26 2.32 19.37  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 8 -4 9  
MONTH TO DATE 94 91 3 110  
SINCE MAR 1 371 387 -16 501  
SINCE JUL 1 1512 2066 -554 2209  
 
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 12 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 6:00 AM  
LOWEST 54 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 88 1947  
MINIMUM TEMPERATURE (F) 49 39 1956  
1983  
 
SUNRISE AND SUNSET  
APRIL 12 2024.........SUNRISE 6:38 AM PDT SUNSET 7:43 PM PDT  
APRIL 13 2024.........SUNRISE 6:36 AM PDT SUNSET 7:44 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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