911  
CDUS46 KMTR 200843  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1243 AM PST THU FEB 20 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 19 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 61 4:45 PM 77 1977 62 -1 63  
MINIMUM 44 6:38 AM 27 1956 40 4 51  
2019  
AVERAGE 53 51 2 57  
 
PRECIPITATION (IN)  
YESTERDAY T 1.95 1986 0.12 -0.12 0.26  
MONTH TO DATE 2.06 1.95 0.11 2.59  
SINCE OCT 1 6.45 10.01 -3.56 8.99  
SINCE JAN 1 2.26 4.78 -2.52 5.80  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 14 -2 8  
MONTH TO DATE 295 287 8 263  
SINCE DEC 1 1230 1364 -134 1086  
SINCE JUL 1 1629 1821 -192 1454  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 9:00 PM  
LOWEST 62 11:00 AM  
AVERAGE 78  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 74 1982  
MINIMUM TEMPERATURE (F) 40 26 2018  
 
SUNRISE AND SUNSET  
FEBRUARY 20 2025......SUNRISE 6:50 AM PST SUNSET 5:52 PM PST  
FEBRUARY 21 2025......SUNRISE 6:49 AM PST SUNSET 5:53 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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