514  
CDUS46 KMTR 150828  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT SAT JUL 15 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JULY 14 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 99 3:20 PM 104 1981 88 11 89  
MINIMUM 55 4:41 AM 47 1974 57 -2 57  
AVERAGE 77 72 5 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 2006 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 T  
SINCE OCT 1 21.14 15.01 6.13 12.34  
SINCE JAN 1 11.22 9.78 1.44 1.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 10 0 10 6  
SINCE JUN 1 34 33 1 14  
SINCE JUL 1 10 0 10 6  
 
COOLING  
YESTERDAY 12 8 4 8  
MONTH TO DATE 103 97 6 78  
SINCE JUN 1 157 222 -65 282  
SINCE JAN 1 204 274 -70 350    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.8  
 
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 87 4:00 AM  
LOWEST 27 2:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 107 1948  
MINIMUM TEMPERATURE (F) 57 46 1966  
 
SUNRISE AND SUNSET  
JULY 15 2023..........SUNRISE 5:58 AM PDT SUNSET 8:29 PM PDT  
JULY 16 2023..........SUNRISE 5:58 AM PDT SUNSET 8:28 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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