175  
CDUS46 KMTR 100040  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
540 PM PDT SUN JUL 09 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 9 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 64 2:45 PM 94 1959 73 -9 70  
MINIMUM 55 6:58 AM 47 1953 55 0 57  
AVERAGE 60 64 -4 64  
 
PRECIPITATION (IN)  
TODAY T 0.01 1945 0.00 0.00 0.00  
MONTH TO DATE T 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 5 2 3 1  
MONTH TO DATE 18 18 0 16  
SINCE JUN 1 96 115 -19 75  
SINCE JUL 1 18 18 0 16  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 10 9 1 11  
SINCE JUN 1 11 32 -21 56  
SINCE JAN 1 16 52 -36 76    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 15.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1:00 AM  
LOWEST 67 12:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 97 1959  
MINIMUM TEMPERATURE (F) 55 47 1953  
 
SUNRISE AND SUNSET  
JULY 9 2023..........SUNRISE 5:56 AM PDT SUNSET 8:33 PM PDT  
JULY 10 2023..........SUNRISE 5:57 AM PDT SUNSET 8:33 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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