156  
CDUS46 KMTR 170042  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
542 PM PDT FRI MAY 16 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 16 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 75 2:12 PM 98 1956 74 1 80  
1997  
2008  
MINIMUM 53 1:16 AM 32 1894 52 1 57  
AVERAGE 64 63 1 69  
 
PRECIPITATION (IN)  
TODAY 0.00 1.21 1996 0.01 -0.01 0.00  
MONTH TO DATE 0.11 0.24 -0.13 0.67  
SINCE OCT 1 9.31 13.03 -3.72 17.06  
SINCE JAN 1 5.67 8.88 -3.21 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 1 3 -2 0  
MONTH TO DATE 37 66 -29 36  
SINCE MAR 1 520 541 -21 409  
SINCE JUL 1 1691 2124 -433 1473  
 
COOLING  
TODAY 0 1 -1 4  
MONTH TO DATE 13 16 -3 26  
SINCE MAR 1 19 29 -10 41  
SINCE JAN 1 19 29 -10 41    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 6:00 AM  
LOWEST 38 12:00 PM  
AVERAGE 58  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 100 1997  
MINIMUM TEMPERATURE (F) 52 32 1896  
 
SUNRISE AND SUNSET  
MAY 16 2025...........SUNRISE 5:58 AM PDT SUNSET 8:11 PM PDT  
MAY 17 2025...........SUNRISE 5:57 AM PDT SUNSET 8:12 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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