442  
CDUS46 KMTR 170841  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
141 AM PDT MON JUL 17 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JULY 16 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 104 1:11 PM 108 1935 88 16 100  
MINIMUM 64 5:03 AM 45 1964 57 7 57  
AVERAGE 84 72 12 79  
 
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 19 8 11 14  
MONTH TO DATE 138 113 25 97  
SINCE JUN 1 192 238 -46 301  
SINCE JAN 1 239 290 -51 369    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.5  
 
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 68 5:00 AM  
LOWEST 22 3:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 109 1988  
MINIMUM TEMPERATURE (F) 57 46 1968  
 
SUNRISE AND SUNSET  
JULY 17 2023..........SUNRISE 5:59 AM PDT SUNSET 8:28 PM PDT  
JULY 18 2023..........SUNRISE 6:00 AM PDT SUNSET 8:27 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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