167  
CDUS46 KMTR 200826  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1226 AM PST MON JAN 20 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JANUARY 19 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 52 4:55 PM 73 2009 60 -8 64  
MINIMUM 43 3:13 AM 25 1922 42 1 49  
AVERAGE 48 51 -3 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.91 1941 0.09 -0.09 0.04  
MONTH TO DATE 0.11 1.73 -1.62 1.35  
SINCE OCT 1 3.75 5.88 -2.13 4.78  
SINCE JAN 1 0.11 1.73 -1.62 1.35  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 14 3 8  
MONTH TO DATE 195 273 -78 249  
SINCE DEC 1 468 719 -251 533  
SINCE JUL 1 694 1084 -390 726  
 
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 0 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 8:00 AM  
LOWEST 74 5:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 72 2009  
MINIMUM TEMPERATURE (F) 42 24 1922  
 
SUNRISE AND SUNSET  
JANUARY 20 2025.......SUNRISE 7:19 AM PST SUNSET 5:19 PM PST  
JANUARY 21 2025.......SUNRISE 7:18 AM PST SUNSET 5:21 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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