738  
CDUS46 KMTR 270830  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT SAT MAY 27 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 26 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 69 2:52 PM 103 1951 77 -8 79  
MINIMUM 52 9:50 PM 37 1953 51 1 55  
AVERAGE 61 64 -3 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22 1934 0.01 -0.01 0.00  
MONTH TO DATE 0.34 0.50 -0.16 0.00  
SINCE OCT 1 21.13 14.81 6.32 12.34  
SINCE JAN 1 11.21 9.58 1.63 1.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 3 1 0  
MONTH TO DATE 120 113 7 87  
SINCE MAR 1 821 720 101 597  
SINCE JUL 1 2881 2661 220 2362  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 34 36 -2 56  
SINCE MAR 1 47 44 3 67  
SINCE JAN 1 47 44 3 67    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 10:00 PM  
LOWEST 49 2:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 102 1951  
MINIMUM TEMPERATURE (F) 51 38 1953  
 
SUNRISE AND SUNSET  
MAY 27 2023...........SUNRISE 5:50 AM PDT SUNSET 8:20 PM PDT  
MAY 28 2023...........SUNRISE 5:49 AM PDT SUNSET 8:20 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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