117  
CDUS46 KMTR 100840  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
140 AM PDT SAT JUN 10 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 9 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 66 3:17 PM 92 2019 71 -5 79  
MINIMUM 56 11:59 PM 47 1962 53 3 55  
1963  
AVERAGE 61 62 -1 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.15 2005 0.00 0.00 0.00  
MONTH TO DATE 0.01 0.06 -0.05 0.05  
SINCE OCT 1 31.39 19.45 11.94 18.17  
SINCE JAN 1 20.14 12.48 7.66 1.89  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 4 0 0  
MONTH TO DATE 25 36 -11 18  
SINCE JUN 1 25 36 -11 18  
SINCE JUL 1 2546 2415 131 2150  
 
COOLING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 0 6 -6 4  
SINCE JUN 1 0 6 -6 4  
SINCE JAN 1 5 26 -21 24    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 9:00 PM  
LOWEST 58 2:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 100 2019  
MINIMUM TEMPERATURE (F) 53 47 1953  
1963  
1972  
 
SUNRISE AND SUNSET  
JUNE 10 2023..........SUNRISE 5:48 AM PDT SUNSET 8:30 PM PDT  
JUNE 11 2023..........SUNRISE 5:48 AM PDT SUNSET 8:31 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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