004  
CDUS46 KMTR 120826  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT MON JUN 12 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 11 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 70 2:05 PM 98 2019 71 -1 79  
MINIMUM 55 12:25 AM 46 1956 53 2 60  
AVERAGE 63 62 1 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 1950 0.01 -0.01 0.00  
MONTH TO DATE 0.01 0.08 -0.07 0.05  
SINCE OCT 1 31.39 19.47 11.92 18.17  
SINCE JAN 1 20.14 12.50 7.64 1.89  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 4 -2 0  
MONTH TO DATE 29 44 -15 18  
SINCE JUN 1 29 44 -15 18  
SINCE JUL 1 2550 2423 127 2150  
 
COOLING  
YESTERDAY 0 1 -1 5  
MONTH TO DATE 0 8 -8 20  
SINCE JUN 1 0 8 -8 20  
SINCE JAN 1 5 28 -23 40    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 12:00 AM  
LOWEST 54 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 88 2008  
2010  
MINIMUM TEMPERATURE (F) 53 47 1952  
1968  
 
SUNRISE AND SUNSET  
JUNE 12 2023..........SUNRISE 5:48 AM PDT SUNSET 8:31 PM PDT  
JUNE 13 2023..........SUNRISE 5:48 AM PDT SUNSET 8:32 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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