030  
CDUS46 KMTR 210043  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
443 PM PST WED DEC 20 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 61 6:06 AM 67 1969 57 4 53  
MINIMUM 53 11:29 AM 23 1978 37 16 37  
AVERAGE 57 47 10 45  
 
PRECIPITATION (IN)  
TODAY 0.47 0.71 1981 0.09 0.38 0.00  
MONTH TO DATE 1.82 1.75 0.07 2.62  
SINCE OCT 1 2.47 4.18 -1.71 4.45  
SINCE JAN 1 13.74 14.13 -0.39 6.50  
 
DEGREE DAYS  
HEATING  
TODAY 8 18 -10 20  
MONTH TO DATE 268 342 -74 395  
SINCE DEC 1 268 342 -74 395  
SINCE JUL 1 636 799 -163 892  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 928 849 79 1195    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 11:00 AM  
LOWEST 67 6:00 AM  
AVERAGE 80  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 67 2005  
2013  
2014  
MINIMUM TEMPERATURE (F) 37 20 1968  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 7:18 AM PST SUNSET 4:52 PM PST  
DECEMBER 21 2023......SUNRISE 7:19 AM PST SUNSET 4:52 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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