665  
CDUS46 KMTR 050038  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
538 PM PDT FRI JUL 04 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JULY 4 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 78 11:46 AM 105 1991 87 -9 103  
MINIMUM 53 5:02 AM 41 1977 56 -3 67  
AVERAGE 66 72 -6 85  
 
PRECIPITATION (IN)  
TODAY 0.00 0.03 1948 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE OCT 1 8.68 15.01 -6.33 14.23  
SINCE JAN 1 4.49 9.78 -5.29 11.04  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 13 33 -20 2  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 1 7 -6 20  
MONTH TO DATE 20 26 -6 77  
SINCE JUN 1 112 151 -39 279  
SINCE JAN 1 169 203 -34 323    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.3  
 
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 86 2:00 AM  
LOWEST 31 12:00 PM  
AVERAGE 59  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 107 2024  
MINIMUM TEMPERATURE (F) 56 45 1977  
 
SUNRISE AND SUNSET  
JULY 4 2025..........SUNRISE 5:51 AM PDT SUNSET 8:32 PM PDT  
JULY 5 2025..........SUNRISE 5:52 AM PDT SUNSET 8:32 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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