083  
CDUS46 KMTR 040832  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
132 AM PDT FRI APR 04 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR APRIL 3 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 65 2:40 PM 88 1960 68 -3 67  
MINIMUM 40 4:03 AM 34 1894 47 -7 52  
1895  
1897  
AVERAGE 53 57 -4 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.29 1935 0.05 -0.05 0.00  
MONTH TO DATE 0.25 0.16 0.09 0.00  
SINCE OCT 1 9.14 11.88 -2.74 15.58  
SINCE JAN 1 5.50 7.73 -2.23 12.15  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 8 4 5  
MONTH TO DATE 37 24 13 13  
SINCE MAR 1 349 302 47 249  
SINCE JUL 1 1520 1885 -365 1313  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 5 2 3 0  
SINCE JAN 1 5 2 3 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 AM  
LOWEST 34 2:00 PM  
AVERAGE 62  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 1960  
MINIMUM TEMPERATURE (F) 47 33 1918  
 
SUNRISE AND SUNSET  
APRIL 4 2025.........SUNRISE 6:48 AM PDT SUNSET 7:33 PM PDT  
APRIL 5 2025.........SUNRISE 6:47 AM PDT SUNSET 7:34 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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