356  
CDUS46 KMTR 180830  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT FRI AUG 18 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2023
 
 
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)  
YESTERDAY  
MAXIMUM 85 12:44 PM 99 1939 82 3 83  
MINIMUM 65 5:57 AM 44 1893 59 6 64  
AVERAGE 75 70 5 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1985 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 T  
SINCE OCT 1 15.31 13.38 1.93 7.30  
SINCE JAN 1 10.20 9.23 0.97 0.66  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 31 28 3 5  
SINCE JUL 1 7 4 3 1  
 
COOLING  
YESTERDAY 10 5 5 9  
MONTH TO DATE 141 85 56 130  
SINCE JUN 1 345 320 25 445  
SINCE JAN 1 381 371 10 511    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 1934  
2020  
MINIMUM TEMPERATURE (F) 59 44 1916  
 
SUNRISE AND SUNSET  
AUGUST 18 2023........SUNRISE 6:26 AM PDT SUNSET 7:56 PM PDT  
AUGUST 19 2023........SUNRISE 6:27 AM PDT SUNSET 7:55 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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