819  
CDUS46 KMTR 100832  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1232 AM PST WED JAN 10 2024  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 9 2024
 
 
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)  
YESTERDAY  
MAXIMUM 58 3:02 PM 77 1962 60 -2 60  
MINIMUM 44 11:09 PM 22 1937 42 2 50  
AVERAGE 51 50 1 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.16 1995 0.10 -0.08 0.44  
MONTH TO DATE 0.60 0.78 -0.18 1.53  
SINCE OCT 1 4.03 4.93 -0.90 7.94  
SINCE JAN 1 0.60 0.78 -0.18 1.53  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 14 0 10  
MONTH TO DATE 120 133 -13 98  
SINCE DEC 1 404 579 -175 540  
SINCE JUL 1 597 944 -347 929  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 2:00 PM  
LOWEST 55 12:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 70 1932  
1962  
MINIMUM TEMPERATURE (F) 42 27 1920  
 
SUNRISE AND SUNSET  
JANUARY 10 2024.......SUNRISE 7:22 AM PST SUNSET 5:08 PM PST  
JANUARY 11 2024.......SUNRISE 7:22 AM PST SUNSET 5:09 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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