422  
CDUS46 KMTR 040828  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT WED OCT 04 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 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 85 3:35 PM 106 1980 82 3 81  
MINIMUM 51 5:57 AM 39 1973 52 -1 54  
AVERAGE 68 67 1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.14 1967 0.02 -0.02 0.00  
MONTH TO DATE T 0.04 -0.04 0.00  
SINCE OCT 1 T 0.04 -0.04 0.00  
SINCE JAN 1 11.27 9.99 1.28 2.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 3 -2 0  
SINCE SEP 1 9 18 -9 2  
SINCE JUL 1 19 25 -6 8  
 
COOLING  
YESTERDAY 3 3 0 3  
MONTH TO DATE 3 11 -8 8  
SINCE SEP 1 116 181 -65 304  
SINCE JAN 1 844 807 37 1109    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 3.2  
 
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 71 6:00 AM  
LOWEST 23 1:00 PM  
AVERAGE 47  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 106 1980  
MINIMUM TEMPERATURE (F) 52 40 1981  
 
SUNRISE AND SUNSET  
OCTOBER 4 2023.......SUNRISE 7:05 AM PDT SUNSET 6:46 PM PDT  
OCTOBER 5 2023.......SUNRISE 7:06 AM PDT SUNSET 6:44 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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