572  
CDUS46 KMTR 210827  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT MON AUG 21 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 95 2:33 PM 103 1960 88 7 101  
MINIMUM 65 6:03 AM 46 1949 57 8 57  
AVERAGE 80 72 8 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 1997 0.00 0.00 0.00  
MONTH TO DATE T 0.05 -0.05 0.00  
SINCE OCT 1 21.14 15.06 6.08 12.34  
SINCE JAN 1 11.22 9.83 1.39 1.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 34 37 -3 14  
SINCE JUL 1 10 4 6 6  
 
COOLING  
YESTERDAY 15 7 8 14  
MONTH TO DATE 220 140 80 209  
SINCE JUN 1 573 491 82 633  
SINCE JAN 1 620 543 77 701    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.6  
 
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 76 5:00 AM  
LOWEST 20 5:00 PM  
AVERAGE 48  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 106 1950  
MINIMUM TEMPERATURE (F) 57 46 1973  
 
SUNRISE AND SUNSET  
AUGUST 21 2023........SUNRISE 6:28 AM PDT SUNSET 7:52 PM PDT  
AUGUST 22 2023........SUNRISE 6:29 AM PDT SUNSET 7:51 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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