378  
CDUS46 KMTR 020841  
CLISFO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
141 AM PDT THU JUL 02 2020  
   
...............................
 
 
   
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JULY 1 2020
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1927 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 5:17 AM 99 1985 72 5 70  
MINIMUM 55 5:28 AM 46 1949 55 0 56  
AVERAGE 66 63 3 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 1980 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE OCT 1 9.12 20.44 -11.32 23.31  
SINCE JAN 1 4.11 13.08 -8.97 18.43  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 0 2 -2 2  
SINCE JUN 1 42 107 -65 53  
SINCE JUL 1 0 2 -2 2  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 1 1 0 0  
SINCE JUN 1 39 22 17 65  
SINCE JAN 1 62 41 21 74    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 12:00 AM  
LOWEST 49 4:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 97 1970  
MINIMUM TEMPERATURE (F) 55 47 1954  
 
SUNRISE AND SUNSET  
JULY 2 2020..........SUNRISE 5:53 AM PDT SUNSET 8:35 PM PDT  
JULY 3 2020..........SUNRISE 5:53 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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