434  
CDUS46 KMTR 190826  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1226 AM PST SUN JAN 19 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 18 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 64 2:44 PM 78 2021 60 4 64  
MINIMUM 46 11:32 PM 22 1917 42 4 44  
AVERAGE 55 51 4 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.89 1955 0.09 -0.09 0.00  
MONTH TO DATE 0.11 1.64 -1.53 1.31  
SINCE OCT 1 3.75 5.79 -2.04 4.74  
SINCE JAN 1 0.11 1.64 -1.53 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 10 14 -4 11  
MONTH TO DATE 178 259 -81 241  
SINCE DEC 1 451 705 -254 525  
SINCE JUL 1 677 1070 -393 718  
 
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 (10)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 10:00 PM  
LOWEST 48 2:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 73 2009  
MINIMUM TEMPERATURE (F) 42 25 1922  
 
SUNRISE AND SUNSET  
JANUARY 19 2025.......SUNRISE 7:19 AM PST SUNSET 5:18 PM PST  
JANUARY 20 2025.......SUNRISE 7:19 AM PST SUNSET 5:19 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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