650  
CDUS46 KMTR 120830  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1230 AM PST TUE DEC 12 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 65 2:48 PM 72 1958 58 7 52  
MINIMUM 33 7:05 AM 20 1972 38 -5 44  
AVERAGE 49 48 1 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.56 2014 0.09 -0.09 0.26  
MONTH TO DATE 0.14 0.93 -0.79 2.55  
SINCE OCT 1 0.79 3.36 -2.57 4.38  
SINCE JAN 1 12.06 13.31 -1.25 6.43  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 17 -1 17  
MONTH TO DATE 154 182 -28 195  
SINCE DEC 1 154 182 -28 195  
SINCE JUL 1 522 639 -117 692  
 
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 1 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 0.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 7:00 AM  
LOWEST 32 3:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 79 1958  
MINIMUM TEMPERATURE (F) 38 20 1972  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 7:13 AM PST SUNSET 4:49 PM PST  
DECEMBER 13 2023......SUNRISE 7:14 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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