693  
CDUS46 KMTR 180833  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
132 AM PDT SUN AUG 18 2019  
 
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1930 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 155 PM 106 1939 87 -1 96  
MINIMUM 60 1156 PM 45 1935 57 3 57  
AVERAGE 73 72 1 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.03 1985 0.00 0.00 0.00  
MONTH TO DATE T 0.00 0.00 0.00  
SINCE OCT 1 16.78 15.48 1.30 11.28  
SINCE JAN 1 13.73 9.90 3.83 9.29  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 12 36 -24 19  
SINCE JUL 1 2 4 -2 0  
 
COOLING  
YESTERDAY 8 7 1 12  
MONTH TO DATE 170 127 43 151  
SINCE JUN 1 592 468 124 595  
SINCE JAN 1 619 521 98 620    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 400 AM  
LOWEST 34 100 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 109 1950  
MINIMUM TEMPERATURE (F) 57 44 1973  
 
 
SUNRISE AND SUNSET  
AUGUST 18 2019........SUNRISE 625 AM PDT SUNSET 756 PM PDT  
AUGUST 19 2019........SUNRISE 626 AM PDT SUNSET 755 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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