063  
CDUS46 KMTR 280829  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT FRI APR 28 2017  
 
   
...............................
 
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR APRIL 27 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1893 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 146 PM 92 2004 71 -1 63  
MINIMUM 53 1159 PM 33 1896 50 3 49  
AVERAGE 62 60 2 56  
 
PRECIPITATION (IN)  
YESTERDAY T 0.85 1895 0.03 -0.03 0.06  
MONTH TO DATE 1.68 1.10 0.58 1.53  
SINCE OCT 1 18.40 14.91 3.49 14.59  
SINCE JAN 1 14.02 9.82 4.20 9.89  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 5 -2 9  
MONTH TO DATE 139 181 -42 103  
SINCE MAR 1 354 457 -103 308  
SINCE JUL 1 1785 2122 -337 1678  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 10 -10 29  
SINCE MAR 1 2 12 -10 29  
SINCE JAN 1 2 12 -10 29    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 100 AM  
LOWEST 36 600 PM  
AVERAGE 60  
   
......................................................
 
 
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 1981  
MINIMUM TEMPERATURE (F) 50 34 1896  
 
 
SUNRISE AND SUNSET  
APRIL 28 2017.........SUNRISE 616 AM PDT SUNSET 755 PM PDT  
APRIL 29 2017.........SUNRISE 615 AM PDT SUNSET 756 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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