734  
CDUS46 KMTR 190029  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
529 PM PDT THU MAY 18 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 18 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 71 3:25 PM 100 1997 74 -3 86  
MINIMUM 56 5:11 AM 36 1893 52 4 50  
AVERAGE 64 63 1 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.43 1925 0.01 -0.01 0.00  
MONTH TO DATE 0.44 0.27 0.17 T  
SINCE OCT 1 15.22 13.06 2.16 7.29  
SINCE JAN 1 10.11 8.91 1.20 0.65  
 
SNOWFALL (IN)  
TODAY MM 0.0 1947  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
 
DEGREE DAYS  
HEATING  
TODAY 1 3 -2 0  
MONTH TO DATE 88 72 16 78  
SINCE MAR 1 702 547 155 487  
SINCE JUL 1 2363 2130 233 1893  
 
COOLING  
TODAY 0 1 -1 3  
MONTH TO DATE 17 18 -1 10  
SINCE MAR 1 30 31 -1 26  
SINCE JAN 1 30 31 -1 26    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 12:00 AM  
LOWEST 59 4:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1931  
MINIMUM TEMPERATURE (F) 53 35 1896  
 
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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