815  
CDUS46 KMTR 130029  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
429 PM PST TUE DEC 12 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 2023
 
 
VALID TODAY AS OF 0400 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 64 3:48 PM 79 1958 59 5 54  
MINIMUM 52 9:37 AM 20 1932 42 10 42  
AVERAGE 58 51 7 48  
 
PRECIPITATION (IN)  
TODAY 0.00 1.84 1995 0.08 -0.08 0.13  
MONTH TO DATE 0.07 0.86 -0.79 2.13  
SINCE OCT 1 0.74 2.72 -1.98 3.84  
SINCE JAN 1 11.02 12.05 -1.03 5.01  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 7 14 -7 17  
MONTH TO DATE 117 165 -48 177  
SINCE DEC 1 117 165 -48 177  
SINCE JUL 1 310 530 -220 566  
 
COOLING  
TODAY 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 N (360)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 50 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 70 1911  
1953  
1958  
MINIMUM TEMPERATURE (F) 42 21 1932  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 7:12 AM PST SUNSET 4:50 PM PST  
DECEMBER 13 2023......SUNRISE 7:13 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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