607  
CDUS46 KMTR 240843  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
143 AM PDT MON APR 24 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR APRIL 23 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 73 1:24 PM 93 1946 71 2 76  
MINIMUM 48 11:53 PM 32 1964 46 2 42  
AVERAGE 61 58 3 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.45 1983 0.03 -0.03 0.00  
MONTH TO DATE 0.08 0.94 -0.86 1.03  
SINCE OCT 1 20.79 14.17 6.62 12.34  
SINCE JAN 1 10.87 8.94 1.93 1.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 7 -3 6  
MONTH TO DATE 232 204 28 165  
SINCE MAR 1 695 562 133 466  
SINCE JUL 1 2755 2503 252 2231  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 10  
SINCE MAR 1 0 0 0 11  
SINCE JAN 1 0 0 0 11    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 7:00 AM  
LOWEST 55 4:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 93 1946  
MINIMUM TEMPERATURE (F) 46 29 1964  
 
SUNRISE AND SUNSET  
APRIL 24 2023.........SUNRISE 6:20 AM PDT SUNSET 7:51 PM PDT  
APRIL 25 2023.........SUNRISE 6:19 AM PDT SUNSET 7:52 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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