347  
CDUS46 KMTR 290832  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
132 AM PDT THU JUN 29 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JUNE 28 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 65 2:35 PM 94 1976 73 -8 70  
MINIMUM 54 6:53 AM 46 1954 54 0 54  
AVERAGE 60 63 -3 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.52 2011 0.01 -0.01 0.00  
MONTH TO DATE 0.01 0.14 -0.13 0.05  
SINCE OCT 1 31.39 19.53 11.86 18.17  
SINCE JAN 1 20.14 12.56 7.58 1.89  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 2 3 3  
MONTH TO DATE 74 94 -20 49  
SINCE JUN 1 74 94 -20 49  
SINCE JUL 1 2595 2473 122 2181  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 25 -24 45  
SINCE JUN 1 1 25 -24 45  
SINCE JAN 1 6 45 -39 65    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 11:00 PM  
LOWEST 65 3:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 87 1959  
MINIMUM TEMPERATURE (F) 54 48 1947  
1955  
1963  
 
SUNRISE AND SUNSET  
JUNE 29 2023..........SUNRISE 5:51 AM PDT SUNSET 8:35 PM PDT  
JUNE 30 2023..........SUNRISE 5:51 AM PDT SUNSET 8:35 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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