638  
CDUS46 KMTR 120838  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
138 AM PDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 11 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 66 3:15 PM 96 1934 73 -7 70  
MINIMUM 52 2:57 AM 37 1909 52 0 44  
AVERAGE 59 62 -3 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 1942 0.01 -0.01 0.00  
MONTH TO DATE 0.44 0.18 0.26 T  
SINCE OCT 1 15.22 12.97 2.25 7.29  
SINCE JAN 1 10.11 8.82 1.29 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 6 4 2 8  
MONTH TO DATE 85 48 37 62  
SINCE MAR 1 699 523 176 471  
SINCE JUL 1 2360 2106 254 1877  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 11 -11 4  
SINCE MAR 1 13 24 -11 20  
SINCE JAN 1 13 24 -11 20    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 11:00 PM  
LOWEST 58 12:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 99 1976  
MINIMUM TEMPERATURE (F) 52 35 1896  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 6:02 AM PDT SUNSET 8:07 PM PDT  
MAY 13 2023...........SUNRISE 6:01 AM PDT SUNSET 8:08 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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