778  
CDUS46 KMTR 220028  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
528 PM PDT THU AUG 21 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 102 2:48 PM 106 1950 88 14 86  
MINIMUM 61 6:00 AM 46 1973 57 4 58  
AVERAGE 82 72 10 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.03 2003 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.05 -0.05 T  
SINCE OCT 1 8.68 15.06 -6.38 14.23  
SINCE JAN 1 4.49 9.83 -5.34 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 17 7 10 7  
MONTH TO DATE 173 147 26 190  
SINCE JUN 1 427 498 -71 809  
SINCE JAN 1 484 550 -66 853    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.0  
 
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 62 6:00 AM  
LOWEST 16 3:00 PM  
AVERAGE 39  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 103 1969  
MINIMUM TEMPERATURE (F) 57 45 1973  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 6:28 AM PDT SUNSET 7:51 PM PDT  
AUGUST 22 2025........SUNRISE 6:29 AM PDT SUNSET 7:50 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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