616  
CDUS46 KMTR 020030  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
530 PM PDT FRI SEP 01 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 74 1:39 PM 109 1952 87 -13 106  
2017  
MINIMUM 62 6:58 AM 41 1960 56 6 59  
AVERAGE 68 72 -4 83  
 
PRECIPITATION (IN)  
TODAY 0.00 0.14 2000 0.00 0.00 0.00  
MONTH TO DATE 0.00 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  
TODAY 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  
TODAY 3 7 -4 18  
MONTH TO DATE 3 7 -4 18  
SINCE SEP 1 3 7 -4 18  
SINCE JAN 1 731 633 98 823    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1:00 AM  
LOWEST 57 12:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 111 1952  
MINIMUM TEMPERATURE (F) 56 45 1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2023.....SUNRISE 6:37 AM PDT SUNSET 7:37 PM PDT  
SEPTEMBER 2 2023.....SUNRISE 6:38 AM PDT SUNSET 7:35 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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