934  
CDUS46 KMTR 120047  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
547 PM PDT SUN MAY 11 2025  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 11 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 69 2:22 PM 96 1934 73 -4 83  
MINIMUM 52 5:38 AM 37 1909 52 0 57  
AVERAGE 61 62 -1 70  
 
PRECIPITATION (IN)  
TODAY 0.00 0.37 1942 0.01 -0.01 0.00  
MONTH TO DATE T 0.18 -0.18 0.67  
SINCE OCT 1 9.20 12.97 -3.77 17.06  
SINCE JAN 1 5.56 8.82 -3.26 13.63  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 4 4 0 0  
MONTH TO DATE 24 48 -24 34  
SINCE MAR 1 507 523 -16 407  
SINCE JUL 1 1678 2106 -428 1471  
 
COOLING  
TODAY 0 1 -1 5  
MONTH TO DATE 13 11 2 18  
SINCE MAR 1 19 24 -5 33  
SINCE JAN 1 19 24 -5 33    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 6:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 99 1976  
MINIMUM TEMPERATURE (F) 52 35 1896  
 
SUNRISE AND SUNSET  
MAY 11 2025...........SUNRISE 6:02 AM PDT SUNSET 8:07 PM PDT  
MAY 12 2025...........SUNRISE 6:01 AM PDT SUNSET 8:08 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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