474  
CDUS46 KMTR 060839  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
139 AM PDT WED SEP 06 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 5 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 88 3:32 PM 113 2022 87 1 113  
MINIMUM 54 5:24 AM 45 1954 56 -2 67  
AVERAGE 71 72 -1 90  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.02 1978 0.00 0.00 0.00  
MONTH TO DATE T 0.00 0.00 0.00  
SINCE OCT 1 21.14 15.10 6.04 12.34  
SINCE JAN 1 11.22 9.87 1.35 1.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 10 7 3 6  
 
COOLING  
YESTERDAY 6 7 -1 25  
MONTH TO DATE 18 35 -17 92  
SINCE SEP 1 18 35 -17 92  
SINCE JAN 1 746 661 85 897    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.8  
 
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 89 4:00 AM  
LOWEST 26 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 113 2022  
MINIMUM TEMPERATURE (F) 56 45 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2023.....SUNRISE 6:42 AM PDT SUNSET 7:29 PM PDT  
SEPTEMBER 7 2023.....SUNRISE 6:42 AM PDT SUNSET 7:27 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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