658  
CDUS46 KMTR 250839  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1239 AM PST MON DEC 25 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 24 2023
 
 
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)  
YESTERDAY  
MAXIMUM 59 2:59 PM 72 1901 59 0 64  
MINIMUM 38 6:30 AM 23 1990 41 -3 42  
AVERAGE 49 50 -1 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.66 1979 0.08 -0.08 0.00  
MONTH TO DATE 1.76 1.76 -0.00 2.13  
SINCE OCT 1 2.43 3.62 -1.19 3.84  
SINCE JAN 1 12.71 12.95 -0.24 5.01  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 15 1 12  
MONTH TO DATE 230 344 -114 372  
SINCE DEC 1 230 344 -114 372  
SINCE JUL 1 423 709 -286 761  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 808 624 184 894    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 7:00 AM  
LOWEST 55 1:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 70 1901  
MINIMUM TEMPERATURE (F) 41 22 1894  
 
SUNRISE AND SUNSET  
DECEMBER 25 2023......SUNRISE 7:20 AM PST SUNSET 4:56 PM PST  
DECEMBER 26 2023......SUNRISE 7:20 AM PST SUNSET 4:56 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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