598  
CDUS46 KMTR 280836  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
136 AM PDT WED JUN 28 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JUNE 27 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 75 2:42 PM 110 1937 86 -11 95  
MINIMUM 53 11:59 PM 43 1964 55 -2 55  
AVERAGE 64 70 -6 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 1991 0.00 0.00 0.00  
MONTH TO DATE 0.01 0.13 -0.12 T  
SINCE OCT 1 21.14 15.00 6.14 12.34  
SINCE JAN 1 11.22 9.77 1.45 1.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 23 32 -9 7  
SINCE JUN 1 23 32 -9 7  
SINCE JUL 1 2918 2706 212 2372  
 
COOLING  
YESTERDAY 0 6 -6 10  
MONTH TO DATE 29 107 -78 191  
SINCE JUN 1 29 107 -78 191  
SINCE JAN 1 76 159 -83 259    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 11:00 PM  
LOWEST 45 2:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 109 2009  
MINIMUM TEMPERATURE (F) 55 41 1964  
 
SUNRISE AND SUNSET  
JUNE 28 2023..........SUNRISE 5:48 AM PDT SUNSET 8:33 PM PDT  
JUNE 29 2023..........SUNRISE 5:48 AM PDT SUNSET 8:33 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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