061  
CDUS46 KMTR 180032  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
532 PM PDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 2:12 PM 102 1913 81 -3 75  
MINIMUM 63 6:10 AM 40 1895 57 6 54  
AVERAGE 71 69 2 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.34 1986 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 0.00  
SINCE OCT 1 15.31 13.43 1.88 7.30  
SINCE JAN 1 10.20 9.28 0.92 0.66  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE T  
SINCE SEP 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 7 6 1 1  
 
COOLING  
TODAY 6 4 2 0  
MONTH TO DATE 101 81 20 183  
SINCE SEP 1 101 81 20 183  
SINCE JAN 1 617 524 93 791    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.5  
 
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 75 6:00 AM  
LOWEST 48 1:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 100 1913  
MINIMUM TEMPERATURE (F) 57 42 1907  
1908  
1911  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 6:51 AM PDT SUNSET 7:12 PM PDT  
SEPTEMBER 18 2023.....SUNRISE 6:52 AM PDT SUNSET 7:11 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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