259  
CDUS46 KMTR 180840  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1240 AM PST TUE NOV 18 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 17 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 58 12:27 AM 79 1932 65 -7 63  
MINIMUM 50 11:59 PM 23 1961 42 8 36  
AVERAGE 54 53 1 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.62 1.93 1996 0.06 0.56 0.01  
MONTH TO DATE 1.62 0.83 0.79 0.32  
SINCE OCT 1 3.51 1.58 1.93 0.33  
SINCE JAN 1 8.13 11.53 -3.40 11.38  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 12 -1 15  
MONTH TO DATE 65 158 -93 167  
SINCE SEP 1 138 270 -132 219  
SINCE JUL 1 138 277 -139 221  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE SEP 1 258 222 36 373  
SINCE JAN 1 845 848 -3 1295    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 9:00 PM  
LOWEST 67 12:00 AM  
AVERAGE 82  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 80 1967  
MINIMUM TEMPERATURE (F) 41 25 1961  
 
SUNRISE AND SUNSET  
NOVEMBER 18 2025......SUNRISE 6:51 AM PST SUNSET 4:54 PM PST  
NOVEMBER 19 2025......SUNRISE 6:52 AM PST SUNSET 4:53 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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