576  
CDUS46 KMTR 170841  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1241 AM PST SUN DEC 17 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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 70 3:21 PM 72 1998 59 11 59  
MINIMUM 40 5:31 AM 27 1893 42 -2 35  
1965  
AVERAGE 55 50 5 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.05 2002 0.08 -0.08 0.00  
MONTH TO DATE 0.07 1.16 -1.09 2.13  
SINCE OCT 1 0.74 3.02 -2.28 3.84  
SINCE JAN 1 11.02 12.35 -1.33 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 10 15 -5 18  
MONTH TO DATE 160 224 -64 251  
SINCE DEC 1 160 224 -64 251  
SINCE JUL 1 353 589 -236 640  
 
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 S (160)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 4:00 AM  
LOWEST 28 3:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 72 1958  
MINIMUM TEMPERATURE (F) 42 26 1965  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 7:16 AM PST SUNSET 4:52 PM PST  
DECEMBER 18 2023......SUNRISE 7:16 AM PST SUNSET 4:52 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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