913  
CDUS46 KMTR 040827  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT MON AUG 04 2025  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 3 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 81 12:37 PM 108 1998 88 -7 99  
MINIMUM 56 5:30 AM 47 1972 57 -1 64  
AVERAGE 69 72 -3 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.07 2017 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.01 -0.01 T  
SINCE OCT 1 8.68 15.02 -6.34 14.23  
SINCE JAN 1 4.49 9.79 -5.30 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 4 7 -3 17  
MONTH TO DATE 15 21 -6 42  
SINCE JUN 1 269 372 -103 661  
SINCE JAN 1 326 424 -98 705    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 33 1:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 110 1998  
MINIMUM TEMPERATURE (F) 57 43 1972  
 
SUNRISE AND SUNSET  
AUGUST 4 2025........SUNRISE 6:14 AM PDT SUNSET 8:12 PM PDT  
AUGUST 5 2025........SUNRISE 6:15 AM PDT SUNSET 8:11 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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