365  
CDUS46 KMTR 090843  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1243 AM PST SAT DEC 09 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2023
 
 
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)  
YESTERDAY  
MAXIMUM 58 3:14 PM 72 1943 58 0 55  
2014  
2020  
MINIMUM 34 6:39 AM 21 1978 38 -4 34  
AVERAGE 46 48 -2 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.91 1950 0.08 -0.08 T  
MONTH TO DATE 0.14 0.66 -0.52 1.17  
SINCE OCT 1 0.79 3.09 -2.30 3.00  
SINCE JAN 1 12.06 13.04 -0.98 5.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 17 2 20  
MONTH TO DATE 102 131 -29 149  
SINCE DEC 1 102 131 -29 149  
SINCE JUL 1 470 588 -118 646  
 
COOLING  
YESTERDAY 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 3 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 31 4:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 72 1940  
MINIMUM TEMPERATURE (F) 38 18 1972  
 
SUNRISE AND SUNSET  
DECEMBER 9 2023......SUNRISE 7:11 AM PST SUNSET 4:48 PM PST  
DECEMBER 10 2023......SUNRISE 7:11 AM PST SUNSET 4:49 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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