029  
CDUS46 KMTR 180832  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
132 AM PDT THU MAY 18 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 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 75 3:16 PM 100 1997 74 1 76  
MINIMUM 55 10:35 PM 32 1896 52 3 50  
AVERAGE 65 63 2 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.39 1915 0.02 -0.02 0.00  
MONTH TO DATE 0.44 0.26 0.18 T  
SINCE OCT 1 15.22 13.05 2.17 7.29  
SINCE JAN 1 10.11 8.90 1.21 0.65  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 2  
MONTH TO DATE 87 69 18 78  
SINCE MAR 1 701 544 157 487  
SINCE JUL 1 2362 2127 235 1893  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 17 17 0 7  
SINCE MAR 1 30 30 0 23  
SINCE JAN 1 30 30 0 23    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 51 1:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 100 1997  
MINIMUM TEMPERATURE (F) 52 36 1893  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 5:57 AM PDT SUNSET 8:12 PM PDT  
MAY 19 2023...........SUNRISE 5:56 AM PDT SUNSET 8:13 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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