042  
CDUS46 KMTR 190845  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
145 AM PDT SAT AUG 19 2017  
 
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 18 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1930 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 158 PM 109 1950 87 3 92  
MINIMUM 59 544 AM 44 1973 57 2 58  
AVERAGE 75 72 3 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 1975 0.00 0.00 0.00  
MONTH TO DATE 0.14 0.00 0.14 0.00  
SINCE OCT 1 25.52 15.48 10.04 15.38  
SINCE JAN 1 19.06 9.90 9.16 10.38  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 20 36 -16 8  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
YESTERDAY 10 7 3 10  
MONTH TO DATE 149 134 15 149  
SINCE JUN 1 648 475 173 621  
SINCE JAN 1 723 528 195 693    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 300 AM  
LOWEST 34 200 PM  
AVERAGE 61  
   
......................................................
 
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 111 1950  
MINIMUM TEMPERATURE (F) 57 47 1973  
 
 
SUNRISE AND SUNSET  
AUGUST 19 2017........SUNRISE 627 AM PDT SUNSET 754 PM PDT  
AUGUST 20 2017........SUNRISE 628 AM PDT SUNSET 753 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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