253  
CDUS46 KMTR 240841  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
141 AM PDT THU JUL 24 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JULY 23 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 77 2:07 PM 112 2006 88 -11 106  
MINIMUM 58 10:37 PM 44 1973 57 1 68  
AVERAGE 68 72 -4 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 1986 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 22  
MONTH TO DATE 129 169 -40 341  
SINCE JUN 1 221 294 -73 543  
SINCE JAN 1 278 346 -68 587    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 10:00 PM  
LOWEST 43 2:00 PM  
AVERAGE 63  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 110 2006  
MINIMUM TEMPERATURE (F) 57 47 1977  
 
SUNRISE AND SUNSET  
JULY 24 2025..........SUNRISE 6:05 AM PDT SUNSET 8:22 PM PDT  
JULY 25 2025..........SUNRISE 6:06 AM PDT SUNSET 8:22 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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