224  
CDUS46 KMTR 050835  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
135 AM PDT WED JUL 05 2023  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 4 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 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)  
YESTERDAY 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)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 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 10 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
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 TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 81 1981  
MINIMUM TEMPERATURE (F) 55 48 1946  
1965  
 
SUNRISE AND SUNSET  
JULY 5 2023..........SUNRISE 5:54 AM PDT SUNSET 8:34 PM PDT  
JULY 6 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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