154  
CDUS46 KMTR 211218  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
518 AM PDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 20 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 3:51 PM 99 2001 76 1 71  
MINIMUM 48 5:06 AM 40 1976 50 -2 51  
AVERAGE 63 63 0 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.37 2002 0.01 -0.01 0.00  
MONTH TO DATE 0.51 0.41 0.10 0.34  
SINCE OCT 1 14.23 14.72 -0.49 21.13  
SINCE JAN 1 11.04 9.49 1.55 11.21  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 4 -2 4  
MONTH TO DATE 57 93 -36 109  
SINCE MAR 1 606 700 -94 810  
SINCE JUL 1 2183 2641 -458 2870  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 19 24 -5 26  
SINCE MAR 1 24 32 -8 39  
SINCE JAN 1 24 32 -8 39    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.0  
 
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 86 4:00 AM  
LOWEST 32 2:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 100 2001  
MINIMUM TEMPERATURE (F) 50 38 1974  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 5:53 AM PDT SUNSET 8:16 PM PDT  
MAY 22 2024...........SUNRISE 5:52 AM PDT SUNSET 8:16 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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