215  
CDUS46 KMTR 220029  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
529 PM PDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 21 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 79 3:13 PM 97 2000 75 4 84  
MINIMUM 57 7:18 AM 32 1895 53 4 52  
AVERAGE 68 64 4 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.42 2006 0.01 -0.01 0.00  
MONTH TO DATE 0.44 0.29 0.15 T  
SINCE OCT 1 15.22 13.08 2.14 7.29  
SINCE JAN 1 10.11 8.93 1.18 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 0 3 -3 0  
MONTH TO DATE 92 81 11 78  
SINCE MAR 1 706 556 150 487  
SINCE JUL 1 2367 2139 228 1893  
 
COOLING  
TODAY 3 2 1 3  
MONTH TO DATE 20 22 -2 16  
SINCE MAR 1 33 35 -2 32  
SINCE JAN 1 33 35 -2 32    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 12:00 AM  
LOWEST 47 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1943  
MINIMUM TEMPERATURE (F) 53 34 1895  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 5:54 AM PDT SUNSET 8:15 PM PDT  
MAY 22 2023...........SUNRISE 5:54 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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