447  
CDUS46 KMTR 150828  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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 83 2:30 PM 104 1971 81 2 78  
MINIMUM 59 6:18 AM 39 1894 58 1 58  
AVERAGE 71 69 2 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.07 1910 0.01 -0.01 0.00  
MONTH TO DATE T 0.02 -0.02 0.00  
SINCE OCT 1 15.31 13.43 1.88 7.30  
SINCE JAN 1 10.20 9.28 0.92 0.66  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
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 6 4 2 3  
MONTH TO DATE 83 69 14 179  
SINCE SEP 1 83 69 14 179  
SINCE JAN 1 599 512 87 787    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 8:00 PM  
LOWEST 43 2:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 102 1971  
MINIMUM TEMPERATURE (F) 57 36 1895  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 6:50 AM PDT SUNSET 7:15 PM PDT  
SEPTEMBER 16 2023.....SUNRISE 6:50 AM PDT SUNSET 7:14 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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