969  
CDUS46 KMTR 190832  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
132 AM PDT WED JUL 19 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JULY 18 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 89 2:48 PM 107 1961 88 1 98  
MINIMUM 58 11:59 PM 46 1963 57 1 62  
AVERAGE 74 72 2 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 2006 0.00 0.00 0.00  
MONTH TO DATE T 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 9 8 1 15  
MONTH TO DATE 165 129 36 125  
SINCE JUN 1 219 254 -35 329  
SINCE JAN 1 266 306 -40 397    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.6  
 
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 81 11:00 PM  
LOWEST 30 12:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 108 1936  
MINIMUM TEMPERATURE (F) 57 45 1977  
 
SUNRISE AND SUNSET  
JULY 19 2023..........SUNRISE 6:00 AM PDT SUNSET 8:26 PM PDT  
JULY 20 2023..........SUNRISE 6:01 AM PDT SUNSET 8:26 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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