344  
CDUS46 KMTR 300826  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1226 AM PST THU JAN 30 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 29 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 56 5:00 PM 74 2024 61 -5 74  
MINIMUM 43 11:50 PM 21 1895 42 1 50  
AVERAGE 50 51 -1 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.01 1983 0.10 -0.10 0.00  
MONTH TO DATE 0.11 2.61 -2.50 3.64  
SINCE OCT 1 3.75 6.76 -3.01 7.07  
SINCE JAN 1 0.11 2.61 -2.50 3.64  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 14 1 3  
MONTH TO DATE 326 413 -87 308  
SINCE DEC 1 599 859 -260 592  
SINCE JUL 1 825 1224 -399 785  
 
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 NE (30)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 55 3:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 73 2024  
MINIMUM TEMPERATURE (F) 43 24 1895  
 
SUNRISE AND SUNSET  
JANUARY 30 2025.......SUNRISE 7:12 AM PST SUNSET 5:30 PM PST  
JANUARY 31 2025.......SUNRISE 7:11 AM PST SUNSET 5:32 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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