838  
CDUS46 KMTR 010042  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
542 PM PDT SUN AUG 31 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 31 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 101 1:03 PM 106 1955 87 14 87  
MINIMUM 61 5:39 AM 46 1973 56 5 56  
AVERAGE 81 72 9 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.12 1964 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.09 -0.09 T  
SINCE OCT 1 8.68 15.10 -6.42 14.23  
SINCE JAN 1 4.49 9.87 -5.38 11.04  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 16 7 9 7  
MONTH TO DATE 276 223 53 259  
SINCE JUN 1 530 574 -44 878  
SINCE JAN 1 587 626 -39 922    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 5:00 AM  
LOWEST 11 2:00 PM  
AVERAGE 34  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 109 1952  
2017  
MINIMUM TEMPERATURE (F) 56 41 1960  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 6:37 AM PDT SUNSET 7:37 PM PDT  
SEPTEMBER 1 2025.....SUNRISE 6:38 AM PDT SUNSET 7:36 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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