527  
CDUS46 KMTR 170826  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT SAT JUN 17 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 16 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 73 1:23 PM 90 1961 72 1 67  
MINIMUM 57 4:06 AM 46 1952 54 3 54  
AVERAGE 65 63 2 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 1995 0.01 -0.01 0.00  
MONTH TO DATE 0.01 0.10 -0.09 0.05  
SINCE OCT 1 31.39 19.49 11.90 18.17  
SINCE JAN 1 20.14 12.52 7.62 1.89  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 4  
MONTH TO DATE 32 59 -27 29  
SINCE JUN 1 32 59 -27 29  
SINCE JUL 1 2553 2438 115 2161  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 13 -12 21  
SINCE JUN 1 1 13 -12 21  
SINCE JAN 1 6 33 -27 41    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 11:00 PM  
LOWEST 59 1:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 1993  
MINIMUM TEMPERATURE (F) 54 44 1954  
 
SUNRISE AND SUNSET  
JUNE 17 2023..........SUNRISE 5:48 AM PDT SUNSET 8:33 PM PDT  
JUNE 18 2023..........SUNRISE 5:48 AM PDT SUNSET 8:34 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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