615  
CDUS46 KMTR 300829  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT SAT AUG 30 2025  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 29 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 3:22 PM 104 2008 87 -1 87  
2009  
MINIMUM 58 4:22 AM 44 1969 56 2 57  
AVERAGE 72 72 0 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 2000 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.08 -0.08 T  
SINCE OCT 1 8.68 15.09 -6.41 14.23  
SINCE JAN 1 4.49 9.86 -5.37 11.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 13 37 -24 4  
SINCE JUL 1 0 4 -4 2  
 
COOLING  
YESTERDAY 7 7 0 7  
MONTH TO DATE 246 203 43 246  
SINCE JUN 1 500 554 -54 865  
SINCE JAN 1 557 606 -49 909    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 32 4:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 105 1976  
MINIMUM TEMPERATURE (F) 56 46 1937  
 
SUNRISE AND SUNSET  
AUGUST 30 2025........SUNRISE 6:36 AM PDT SUNSET 7:39 PM PDT  
AUGUST 31 2025........SUNRISE 6:37 AM PDT SUNSET 7:37 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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