484  
CDUS46 KMTR 120830  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1230 AM PST TUE DEC 12 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 66 2:36 PM 74 1958 60 6 54  
MINIMUM 38 7:11 AM 23 1972 42 -4 46  
AVERAGE 52 51 1 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.23 2014 0.08 -0.08 0.42  
MONTH TO DATE 0.07 0.78 -0.71 2.00  
SINCE OCT 1 0.74 2.64 -1.90 3.71  
SINCE JAN 1 11.02 11.97 -0.95 4.88  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 14 -1 15  
MONTH TO DATE 110 151 -41 160  
SINCE DEC 1 110 151 -41 160  
SINCE JUL 1 303 516 -213 549  
 
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 3 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 8:00 PM  
LOWEST 30 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 79 1958  
MINIMUM TEMPERATURE (F) 42 20 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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