345  
CDUS46 KMTR 250825  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
125 AM PDT FRI JUL 25 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JULY 24 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 79 2:53 PM 110 2006 88 -9 103  
MINIMUM 57 11:59 PM 47 1977 57 0 72  
AVERAGE 68 72 -4 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.16 1946 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  
YESTERDAY 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  
YESTERDAY 3 8 -5 23  
MONTH TO DATE 132 177 -45 364  
SINCE JUN 1 224 302 -78 566  
SINCE JAN 1 281 354 -73 610    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 11:00 PM  
LOWEST 41 3:00 PM  
AVERAGE 64  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 111 1980  
MINIMUM TEMPERATURE (F) 57 42 1977  
 
SUNRISE AND SUNSET  
JULY 25 2025..........SUNRISE 6:06 AM PDT SUNSET 8:22 PM PDT  
JULY 26 2025..........SUNRISE 6:06 AM PDT SUNSET 8:21 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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