780  
CDUS46 KMTR 150840  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
140 AM PDT THU JUN 15 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 14 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 71 2:00 PM 106 1961 72 -1 77  
MINIMUM 57 11:59 PM 49 1947 54 3 54  
1982  
AVERAGE 64 62 2 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.06 1995 0.01 -0.01 0.00  
MONTH TO DATE 0.01 0.09 -0.08 0.05  
SINCE OCT 1 31.39 19.48 11.91 18.17  
SINCE JAN 1 20.14 12.51 7.63 1.89  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 3 -2 0  
MONTH TO DATE 32 53 -21 22  
SINCE JUN 1 32 53 -21 22  
SINCE JUL 1 2553 2432 121 2154  
 
COOLING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 0 11 -11 21  
SINCE JUN 1 0 11 -11 21  
SINCE JAN 1 5 31 -26 41    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.6  
 
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 83 2:00 AM  
LOWEST 57 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 1961  
1976  
MINIMUM TEMPERATURE (F) 54 48 1947  
1952  
 
SUNRISE AND SUNSET  
JUNE 15 2023..........SUNRISE 5:48 AM PDT SUNSET 8:33 PM PDT  
JUNE 16 2023..........SUNRISE 5:48 AM PDT SUNSET 8:33 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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