725  
CDUS46 KMTR 210033  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
533 PM PDT MON OCT 20 2025  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 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 81 2:58 PM 92 1942 77 4 85  
2022  
MINIMUM 51 6:37 AM 31 1949 48 3 45  
AVERAGE 66 62 4 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.55 2004 0.03 -0.03 0.00  
MONTH TO DATE 1.87 0.38 1.49 T  
SINCE OCT 1 1.87 0.38 1.49 T  
SINCE JAN 1 6.49 10.33 -3.84 11.05  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 47 43 4 4  
SINCE SEP 1 47 58 -11 6  
SINCE JUL 1 47 65 -18 8  
 
COOLING  
TODAY 1 1 0 0  
MONTH TO DATE 25 46 -21 167  
SINCE SEP 1 255 216 39 373  
SINCE JAN 1 842 842 0 1295    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 3.7  
 
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 83 4:00 AM  
LOWEST 25 2:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 94 2003  
MINIMUM TEMPERATURE (F) 48 32 1949  
 
SUNRISE AND SUNSET  
OCTOBER 20 2025.......SUNRISE 7:21 AM PDT SUNSET 6:23 PM PDT  
OCTOBER 21 2025.......SUNRISE 7:22 AM PDT SUNSET 6:21 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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