886  
CDUS46 KMTR 100838  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1238 AM PST SUN DEC 10 2023  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 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 59 3:24 PM 72 1940 58 1 55  
MINIMUM 37 11:24 PM 18 1972 38 -1 39  
AVERAGE 48 48 0 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.83 1955 0.09 -0.09 0.00  
MONTH TO DATE 0.14 0.75 -0.61 1.17  
SINCE OCT 1 0.79 3.18 -2.39 3.00  
SINCE JAN 1 12.06 13.13 -1.07 5.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 17 0 18  
MONTH TO DATE 119 148 -29 167  
SINCE DEC 1 119 148 -29 167  
SINCE JUL 1 487 605 -118 664  
 
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 4 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.5  
 
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 73 11:00 PM  
LOWEST 28 2:00 PM  
AVERAGE 51  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 71 1958  
MINIMUM TEMPERATURE (F) 38 20 1972  
 
SUNRISE AND SUNSET  
DECEMBER 10 2023......SUNRISE 7:11 AM PST SUNSET 4:49 PM PST  
DECEMBER 11 2023......SUNRISE 7:12 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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