795  
CDUS46 KMTR 050033  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
433 PM PST SAT JAN 04 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 4 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 2:00 PM 70 2018 59 1 62  
MINIMUM 44 5:53 AM 26 1910 41 3 44  
1919  
AVERAGE 52 50 2 53  
 
PRECIPITATION (IN)  
TODAY 0.00 1.92 1895 0.08 -0.08 0.00  
MONTH TO DATE 0.11 0.33 -0.22 0.46  
SINCE OCT 1 3.75 4.48 -0.73 3.89  
SINCE JAN 1 0.11 0.33 -0.22 0.46  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 13 15 -2 12  
MONTH TO DATE 44 60 -16 43  
SINCE DEC 1 317 506 -189 327  
SINCE JUL 1 543 871 -328 520  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 2 0 2 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.3  
 
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 82 8:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 71 1911  
MINIMUM TEMPERATURE (F) 41 22 1894  
 
SUNRISE AND SUNSET  
JANUARY 4 2025.......SUNRISE 7:22 AM PST SUNSET 5:04 PM PST  
JANUARY 5 2025.......SUNRISE 7:22 AM PST SUNSET 5:05 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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