821  
CDUS46 KMTR 100833  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1233 AM PST TUE DEC 10 2024  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 2024
 
 
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)  
YESTERDAY  
MAXIMUM 69 3:53 PM 71 1893 60 9 64  
2015  
MINIMUM 41 4:31 AM 25 2013 42 -1 39  
AVERAGE 55 51 4 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1954 0.08 -0.08 0.00  
MONTH TO DATE 0.00 0.63 -0.63 0.07  
SINCE OCT 1 1.32 2.49 -1.17 0.74  
SINCE JAN 1 14.95 11.82 3.13 13.02  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 14 -4 13  
MONTH TO DATE 63 123 -60 82  
SINCE DEC 1 63 123 -60 82  
SINCE JUL 1 289 488 -199 275  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1215 624 591 808    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 4:00 AM  
LOWEST 12 4:00 PM  
AVERAGE 43  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 70 2017  
MINIMUM TEMPERATURE (F) 42 24 1972  
 
SUNRISE AND SUNSET  
DECEMBER 10 2024......SUNRISE 7:11 AM PST SUNSET 4:50 PM PST  
DECEMBER 11 2024......SUNRISE 7:12 AM PST SUNSET 4:50 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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