709  
CDUS46 KMTR 290835  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
135 AM PDT FRI AUG 29 2025  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 28 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 91 3:16 PM 107 2017 87 4 96  
MINIMUM 56 6:03 AM 44 1980 56 0 60  
AVERAGE 74 72 2 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.14 1949 0.01 -0.01 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 9 7 2 13  
MONTH TO DATE 239 196 43 239  
SINCE JUN 1 493 547 -54 858  
SINCE JAN 1 550 599 -49 902    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 3:00 AM  
LOWEST 24 3:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 104 2008  
2009  
MINIMUM TEMPERATURE (F) 56 44 1969  
 
SUNRISE AND SUNSET  
AUGUST 29 2025........SUNRISE 6:35 AM PDT SUNSET 7:40 PM PDT  
AUGUST 30 2025........SUNRISE 6:36 AM PDT SUNSET 7:39 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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