887  
CDUS46 KMTR 220038  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
438 PM PST SAT DEC 21 2024  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 65 3:50 PM 72 1999 59 6 61  
MINIMUM 51 4:34 AM 25 1968 41 10 48  
AVERAGE 58 50 8 55  
 
PRECIPITATION (IN)  
TODAY 0.00 2.01 1894 0.08 -0.08 0.00  
MONTH TO DATE 1.48 1.52 -0.04 1.76  
SINCE OCT 1 2.80 3.38 -0.58 2.43  
SINCE JAN 1 16.43 12.71 3.72 14.71  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 7 15 -8 10  
MONTH TO DATE 201 299 -98 196  
SINCE DEC 1 201 299 -98 196  
SINCE JUL 1 427 664 -237 389  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1215 624 591 808    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 3:00 AM  
LOWEST 60 11:00 AM  
AVERAGE 72  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 67 1999  
2013  
2023  
MINIMUM TEMPERATURE (F) 41 19 1990  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 7:19 AM PST SUNSET 4:54 PM PST  
DECEMBER 22 2024......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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