636  
CDUS46 KMTR 010026  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
526 PM PDT MON JUL 31 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JULY 31 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 80 1:41 PM 101 1993 81 -1 77  
MINIMUM 58 4:33 AM 42 1895 59 -1 63  
AVERAGE 69 70 -1 70  
 
PRECIPITATION (IN)  
TODAY 0.00 0.04 2000 0.00 0.00 T  
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)  
TODAY MM 0.0 1947  
MONTH TO DATE MM  
SINCE JUN 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 4 5 -1 5  
MONTH TO DATE 172 142 30 145  
SINCE JUN 1 204 235 -31 315  
SINCE JAN 1 240 286 -46 381    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 3:00 AM  
LOWEST 44 12:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 105 1993  
MINIMUM TEMPERATURE (F) 59 44 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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