253  
CDUS46 KMTR 270034  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
534 PM PDT TUE SEP 26 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 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 79 3:59 PM 98 1963 80 -1 75  
2016  
MINIMUM 64 6:18 AM 38 1893 56 8 59  
AVERAGE 72 68 4 67  
 
PRECIPITATION (IN)  
TODAY T 0.25 1986 0.01 -0.01 0.00  
MONTH TO DATE T 0.05 -0.05 0.51  
SINCE OCT 1 15.31 13.46 1.85 7.81  
SINCE JAN 1 10.20 9.31 0.89 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 4 -4 0  
SINCE SEP 1 0 4 -4 0  
SINCE JUL 1 7 10 -3 1  
 
COOLING  
TODAY 7 4 3 2  
MONTH TO DATE 135 117 18 223  
SINCE SEP 1 135 117 18 223  
SINCE JAN 1 651 560 91 831    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 10:00 AM  
LOWEST 36 2:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 98 1921  
MINIMUM TEMPERATURE (F) 56 41 1893  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2023.....SUNRISE 6:59 AM PDT SUNSET 6:59 PM PDT  
SEPTEMBER 27 2023.....SUNRISE 7:00 AM PDT SUNSET 6:57 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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