267  
CDUS46 KMTR 170827  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT THU AUG 17 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR AUGUST 16 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 89 12:10 PM 100 2020 82 7 97  
MINIMUM 66 6:04 AM 42 1911 59 7 61  
AVERAGE 78 70 8 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 2020 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 13 5 8 14  
MONTH TO DATE 131 80 51 121  
SINCE JUN 1 335 315 20 436  
SINCE JAN 1 371 366 5 502    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 3:00 AM  
LOWEST 45 12:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 99 1939  
MINIMUM TEMPERATURE (F) 59 44 1893  
 
SUNRISE AND SUNSET  
AUGUST 17 2023........SUNRISE 6:26 AM PDT SUNSET 7:57 PM PDT  
AUGUST 18 2023........SUNRISE 6:26 AM PDT SUNSET 7:56 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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