283  
CDUS46 KMTR 170827  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1227 AM PST FRI JAN 17 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 16 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 MM 73 2009 60 8 61  
2014  
MINIMUM 37 MM 26 1928 42 -5 45  
AVERAGE 53 51 2 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.38 1973 0.10 -0.10 0.19  
MONTH TO DATE 0.11 1.46 -1.35 1.31  
SINCE OCT 1 3.75 5.61 -1.86 4.74  
SINCE JAN 1 0.11 1.46 -1.35 1.31  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 14 -2 12  
MONTH TO DATE 154 231 -77 220  
SINCE DEC 1 427 677 -250 504  
SINCE JUL 1 653 1042 -389 697  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 2 0 2 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 1.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 2:00 AM  
LOWEST 28 1:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 78 2021  
MINIMUM TEMPERATURE (F) 42 22 1917  
 
SUNRISE AND SUNSET  
JANUARY 17 2025.......SUNRISE 7:20 AM PST SUNSET 5:16 PM PST  
JANUARY 18 2025.......SUNRISE 7:20 AM PST SUNSET 5:17 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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