976  
CDUS46 KMTR 160827  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 80 12:43 PM 102 1971 81 -1 74  
MINIMUM 62 7:13 AM 36 1895 57 5 58  
AVERAGE 71 69 2 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.05 1908 0.00 0.00 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 1  
MONTH TO DATE 89 73 16 180  
SINCE SEP 1 89 73 16 180  
SINCE JAN 1 605 516 89 788    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1:00 AM  
LOWEST 50 1:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 103 1913  
MINIMUM TEMPERATURE (F) 57 43 1896  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 6:50 AM PDT SUNSET 7:14 PM PDT  
SEPTEMBER 17 2023.....SUNRISE 6:51 AM PDT SUNSET 7:12 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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