255  
CDUS46 KMTR 210845  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1245 AM PST FRI FEB 21 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 20 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 66 3:39 PM 80 1896 63 3 63  
MINIMUM 46 6:08 AM 30 1897 44 2 52  
AVERAGE 56 54 2 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.87 2017 0.11 -0.11 0.15  
MONTH TO DATE 3.11 1.88 1.23 4.35  
SINCE OCT 1 6.92 8.83 -1.91 12.26  
SINCE JAN 1 3.28 4.68 -1.40 8.83  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE DEC 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 11 -2 7  
MONTH TO DATE 263 246 17 204  
SINCE DEC 1 892 1132 -240 804  
SINCE JUL 1 1118 1497 -379 997  
 
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 6 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 76 1989  
MINIMUM TEMPERATURE (F) 45 25 1897  
 
SUNRISE AND SUNSET  
FEBRUARY 21 2025......SUNRISE 6:49 AM PST SUNSET 5:54 PM PST  
FEBRUARY 22 2025......SUNRISE 6:48 AM PST SUNSET 5:55 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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