393  
CDUS46 KMTR 050029  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
529 PM PDT TUE JUL 04 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 4 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 71 2:37 PM 85 1973 73 -2 79  
MINIMUM 56 2:58 AM 46 1954 55 1 58  
AVERAGE 64 64 0 69  
 
PRECIPITATION (IN)  
TODAY 0.00 T 1994 0.00 0.00 0.00  
1996  
2008  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE OCT 1 31.39 19.53 11.86 18.17  
SINCE JAN 1 20.14 12.56 7.58 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 1 2 -1 0  
MONTH TO DATE 1 8 -7 13  
SINCE JUN 1 79 105 -26 72  
SINCE JUL 1 1 8 -7 13  
 
COOLING  
TODAY 0 1 -1 4  
MONTH TO DATE 10 4 6 4  
SINCE JUN 1 11 27 -16 49  
SINCE JAN 1 16 47 -31 69    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 12:00 AM  
LOWEST 55 1:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 81 1981  
MINIMUM TEMPERATURE (F) 55 48 1946  
1965  
 
SUNRISE AND SUNSET  
JULY 4 2023..........SUNRISE 5:53 AM PDT SUNSET 8:34 PM PDT  
JULY 5 2023..........SUNRISE 5:54 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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