833  
CDUS46 KMTR 220038  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
438 PM PST THU DEC 21 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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 61 3:59 PM 72 1999 59 2 61  
MINIMUM 48 7:29 AM 25 1968 41 7 38  
AVERAGE 55 50 5 50  
 
PRECIPITATION (IN)  
TODAY 0.00 2.01 1894 0.08 -0.08 0.00  
MONTH TO DATE 1.76 1.52 0.24 2.13  
SINCE OCT 1 2.43 3.38 -0.95 3.84  
SINCE JAN 1 12.71 12.71 0.00 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 10 15 -5 15  
MONTH TO DATE 196 299 -103 337  
SINCE DEC 1 196 299 -103 337  
SINCE JUL 1 389 664 -275 726  
 
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 S (180)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 0.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 69 2:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 67 1919  
1999  
2013  
MINIMUM TEMPERATURE (F) 41 19 1990  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 7:18 AM PST SUNSET 4:53 PM PST  
DECEMBER 22 2023......SUNRISE 7:19 AM PST SUNSET 4:54 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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