729  
CDUS46 KMTR 210830  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT THU AUG 21 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 96 3:48 PM 103 1960 88 8 90  
MINIMUM 54 5:17 AM 46 1949 57 -3 54  
AVERAGE 75 72 3 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 1997 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  
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 10 7 3 7  
MONTH TO DATE 156 140 16 183  
SINCE JUN 1 410 491 -81 802  
SINCE JAN 1 467 543 -76 846    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 3:00 AM  
LOWEST 22 2:00 PM  
AVERAGE 55  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 106 1950  
MINIMUM TEMPERATURE (F) 57 46 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.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab CA Page
Main Text Page