641  
CDUS46 KMTR 260041  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
541 PM PDT MON SEP 25 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 82 2:32 PM 99 2019 80 2 79  
MINIMUM 55 5:37 AM 42 1929 56 -1 59  
AVERAGE 69 68 1 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.69 1909 0.00 0.00 0.00  
MONTH TO DATE T 0.04 -0.04 0.51  
SINCE OCT 1 15.31 13.45 1.86 7.81  
SINCE JAN 1 10.20 9.30 0.90 1.17  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 3 -3 0  
SINCE SEP 1 0 3 -3 0  
SINCE JUL 1 7 9 -2 1  
 
COOLING  
TODAY 4 4 0 4  
MONTH TO DATE 128 113 15 221  
SINCE SEP 1 128 113 15 221  
SINCE JAN 1 644 556 88 829    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 31 2:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 98 1963  
2016  
MINIMUM TEMPERATURE (F) 56 38 1893  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2023.....SUNRISE 6:58 AM PDT SUNSET 7:00 PM PDT  
SEPTEMBER 26 2023.....SUNRISE 6:59 AM PDT SUNSET 6:59 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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