742  
CDUS46 KMTR 240831  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
131 AM PDT WED MAY 24 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 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 74 2:17 PM 101 1943 77 -3 88  
MINIMUM 52 2:11 AM 38 2010 51 1 52  
AVERAGE 63 64 -1 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.56 1958 0.02 -0.02 0.00  
MONTH TO DATE 0.34 0.46 -0.12 0.00  
SINCE OCT 1 21.13 14.77 6.36 12.34  
SINCE JAN 1 11.21 9.54 1.67 1.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 3 -1 0  
MONTH TO DATE 111 104 7 87  
SINCE MAR 1 812 711 101 597  
SINCE JUL 1 2872 2652 220 2362  
 
COOLING  
YESTERDAY 0 2 -2 5  
MONTH TO DATE 34 30 4 27  
SINCE MAR 1 47 38 9 38  
SINCE JAN 1 47 38 9 38    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 43 1:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 98 1982  
2022  
MINIMUM TEMPERATURE (F) 51 40 1980  
 
SUNRISE AND SUNSET  
MAY 24 2023...........SUNRISE 5:51 AM PDT SUNSET 8:17 PM PDT  
MAY 25 2023...........SUNRISE 5:51 AM PDT SUNSET 8:18 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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