002  
CDUS46 KMTR 140039  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
539 PM PDT TUE MAY 13 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 13 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 70 3:35 PM 99 1976 73 -3 71  
MINIMUM 53 3:40 AM 37 1896 52 1 55  
1908  
AVERAGE 62 62 0 63  
 
PRECIPITATION (IN)  
TODAY T 0.42 1902 0.01 -0.01 0.00  
MONTH TO DATE 0.11 0.21 -0.10 0.67  
SINCE OCT 1 9.31 13.00 -3.69 17.06  
SINCE JAN 1 5.67 8.85 -3.18 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 3 4 -1 2  
MONTH TO DATE 32 56 -24 36  
SINCE MAR 1 515 531 -16 409  
SINCE JUL 1 1686 2114 -428 1473  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 13 13 0 19  
SINCE MAR 1 19 26 -7 34  
SINCE JAN 1 19 26 -7 34    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 3:00 AM  
LOWEST 38 2:00 PM  
AVERAGE 58  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1905  
2014  
MINIMUM TEMPERATURE (F) 52 37 1896  
1917  
 
SUNRISE AND SUNSET  
MAY 13 2025...........SUNRISE 6:00 AM PDT SUNSET 8:08 PM PDT  
MAY 14 2025...........SUNRISE 5:59 AM PDT SUNSET 8:09 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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