668  
CDUS46 KMTR 160837  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT WED APR 16 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR APRIL 15 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 70 2:12 PM 89 1966 69 1 69  
MINIMUM 54 7:51 AM 30 1896 48 6 53  
AVERAGE 62 59 3 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1978 0.04 -0.04 0.00  
MONTH TO DATE 0.25 0.67 -0.42 0.81  
SINCE OCT 1 9.14 12.39 -3.25 16.39  
SINCE JAN 1 5.50 8.24 -2.74 12.96  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 7 -4 4  
MONTH TO DATE 82 111 -29 102  
SINCE MAR 1 394 389 5 338  
SINCE JUL 1 1565 1972 -407 1402  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 4  
SINCE MAR 1 6 2 4 4  
SINCE JAN 1 6 2 4 4    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 50 2:00 PM  
AVERAGE 74  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 89 1966  
1987  
1999  
MINIMUM TEMPERATURE (F) 48 29 1894  
1896  
 
SUNRISE AND SUNSET  
APRIL 16 2025.........SUNRISE 6:31 AM PDT SUNSET 7:44 PM PDT  
APRIL 17 2025.........SUNRISE 6:30 AM PDT SUNSET 7:45 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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