016  
CDUS46 KMTR 110840  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
140 AM PDT MON SEP 11 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 2:14 PM 98 1903 81 4 83  
MINIMUM 58 2:18 AM 42 1893 58 0 65  
AVERAGE 72 70 2 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.02 1978 0.00 0.00 0.00  
MONTH TO DATE T 0.01 -0.01 0.00  
SINCE OCT 1 15.31 13.42 1.89 7.30  
SINCE JAN 1 10.20 9.27 0.93 0.66  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE MM  
SINCE SEP 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 7 6 1 1  
 
COOLING  
YESTERDAY 7 5 2 9  
MONTH TO DATE 60 50 10 154  
SINCE SEP 1 60 50 10 154  
SINCE JAN 1 576 493 83 762    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 31 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 100 1979  
MINIMUM TEMPERATURE (F) 58 44 1896  
1906  
1928  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 6:46 AM PDT SUNSET 7:22 PM PDT  
SEPTEMBER 12 2023.....SUNRISE 6:47 AM PDT SUNSET 7:20 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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