925  
CDUS46 KMTR 290834  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1234 AM PST FRI DEC 29 2023  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 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 66 2:41 PM 73 1967 57 9 56  
MINIMUM 45 6:57 AM 23 1962 37 8 37  
AVERAGE 56 47 9 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.82 2001 0.09 -0.08 T  
MONTH TO DATE 1.90 2.53 -0.63 4.05  
SINCE OCT 1 2.55 4.96 -2.41 5.88  
SINCE JAN 1 13.82 14.91 -1.09 7.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 18 -9 18  
MONTH TO DATE 371 486 -115 528  
SINCE DEC 1 371 486 -115 528  
SINCE JUL 1 739 943 -204 1025  
 
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 2 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 68 3:00 PM  
AVERAGE 84  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 73 1967  
MINIMUM TEMPERATURE (F) 37 24 1962  
 
SUNRISE AND SUNSET  
DECEMBER 29 2023......SUNRISE 7:22 AM PST SUNSET 4:57 PM PST  
DECEMBER 30 2023......SUNRISE 7:22 AM PST SUNSET 4:58 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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