602  
CDUS46 KMTR 220837  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT TUE AUG 22 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 80 10:08 AM 106 1950 88 -8 88  
MINIMUM 66 11:59 PM 46 1973 57 9 59  
AVERAGE 73 72 1 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.03 2003 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 8 7 1 9  
MONTH TO DATE 228 147 81 218  
SINCE JUN 1 581 498 83 642  
SINCE JAN 1 628 550 78 710    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 10:00 PM  
LOWEST 43 12:00 AM  
AVERAGE 62  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 103 1969  
MINIMUM TEMPERATURE (F) 57 45 1973  
 
SUNRISE AND SUNSET  
AUGUST 22 2023........SUNRISE 6:29 AM PDT SUNSET 7:51 PM PDT  
AUGUST 23 2023........SUNRISE 6:30 AM PDT SUNSET 7:49 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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