493  
CDUS46 KMTR 180027  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT SAT JUN 17 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 17 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 72 1:04 PM 95 1993 72 0 67  
MINIMUM 58 6:06 AM 44 1954 54 4 56  
AVERAGE 65 63 2 62  
 
PRECIPITATION (IN)  
TODAY 0.00 T 1964 0.00 0.00 0.00  
1977  
1988  
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)  
TODAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 3  
MONTH TO DATE 32 62 -30 32  
SINCE JUN 1 32 62 -30 32  
SINCE JUL 1 2553 2441 112 2164  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 1 14 -13 21  
SINCE JUN 1 1 14 -13 21  
SINCE JAN 1 6 34 -28 41    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 2:00 AM  
LOWEST 55 1:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 97 2017  
MINIMUM TEMPERATURE (F) 54 44 1952  
 
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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