181  
CDUS46 KMTR 010025  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
425 PM PST TUE DEC 31 2024  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 2:23 PM 70 1958 59 3 61  
MINIMUM 39 7:44 AM 22 1895 41 -2 49  
AVERAGE 51 50 1 55  
 
PRECIPITATION (IN)  
TODAY 0.00 2.39 1909 0.07 -0.07 0.00  
MONTH TO DATE 2.32 2.29 0.03 2.76  
SINCE OCT 1 3.64 4.15 -0.51 3.43  
SINCE JAN 1 17.27 13.48 3.79 15.71  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 14 15 -1 10  
MONTH TO DATE 273 449 -176 284  
SINCE DEC 1 273 449 -176 284  
SINCE JUL 1 499 814 -315 477  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE DEC 1 2 0 2 0  
SINCE JAN 1 1217 624 593 808    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 7:00 AM  
LOWEST 33 2:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 69 1996  
MINIMUM TEMPERATURE (F) 41 22 1919  
 
SUNRISE AND SUNSET  
DECEMBER 31 2024......SUNRISE 7:22 AM PST SUNSET 5:00 PM PST  
JANUARY 1 2025.......SUNRISE 7:22 AM PST SUNSET 5:01 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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