998  
CDUS46 KMTR 290838  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
138 AM PDT SAT JUL 29 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR JULY 28 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 80 3:03 PM 100 1954 81 -1 77  
MINIMUM 57 3:01 AM 40 1893 59 -2 59  
AVERAGE 69 70 -1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 1958 0.00 0.00 0.00  
1960  
1964  
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 4 5 -1 3  
MONTH TO DATE 160 129 31 130  
SINCE JUN 1 192 222 -30 300  
SINCE JAN 1 228 273 -45 366    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 4:00 AM  
LOWEST 41 4:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 1977  
MINIMUM TEMPERATURE (F) 59 47 1893  
1930  
1932  
 
SUNRISE AND SUNSET  
JULY 29 2023..........SUNRISE 6:10 AM PDT SUNSET 8:18 PM PDT  
JULY 30 2023..........SUNRISE 6:10 AM PDT SUNSET 8:17 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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