242  
CDUS46 KMTR 230041  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
541 PM PDT FRI AUG 22 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 22 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 98 3:46 PM 103 1969 88 10 74  
MINIMUM 58 5:53 AM 45 1973 57 1 60  
AVERAGE 78 72 6 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.12 2003 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.06 -0.06 T  
SINCE OCT 1 8.68 15.07 -6.39 14.23  
SINCE JAN 1 4.49 9.84 -5.35 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 13 7 6 2  
MONTH TO DATE 186 154 32 192  
SINCE JUN 1 440 505 -65 811  
SINCE JAN 1 497 557 -60 855    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.7  
 
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 84 6:00 AM  
LOWEST 19 4:00 PM  
AVERAGE 52  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 107 1932  
MINIMUM TEMPERATURE (F) 57 45 1973  
 
SUNRISE AND SUNSET  
AUGUST 22 2025........SUNRISE 6:29 AM PDT SUNSET 7:50 PM PDT  
AUGUST 23 2025........SUNRISE 6:30 AM PDT SUNSET 7:49 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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