485  
CDUS46 KMTR 310838  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
138 AM PDT MON JUL 31 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JULY 30 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 83 2:30 PM 102 1995 81 2 77  
MINIMUM 56 5:08 AM 40 1895 59 -3 63  
AVERAGE 70 70 0 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 1966 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 T  
SINCE OCT 1 15.31 13.36 1.95 7.30  
SINCE JAN 1 10.20 9.21 0.99 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 7 0 7 1  
SINCE JUN 1 31 24 7 5  
SINCE JUL 1 7 0 7 1  
 
COOLING  
YESTERDAY 5 5 0 5  
MONTH TO DATE 168 139 29 140  
SINCE JUN 1 200 232 -32 310  
SINCE JAN 1 236 283 -47 376    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.6  
 
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 90 6:00 AM  
LOWEST 39 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 101 1993  
MINIMUM TEMPERATURE (F) 59 42 1895  
 
SUNRISE AND SUNSET  
JULY 31 2023..........SUNRISE 6:11 AM PDT SUNSET 8:16 PM PDT  
AUGUST 1 2023........SUNRISE 6:12 AM PDT SUNSET 8:15 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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