792  
CDUS46 KMTR 290827  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT MON MAY 29 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 28 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 68 3:54 PM 103 1984 78 -10 73  
MINIMUM 53 11:59 PM 41 1989 51 2 54  
2010  
AVERAGE 61 64 -3 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.82 1990 0.02 -0.02 0.00  
MONTH TO DATE 0.34 0.53 -0.19 0.00  
SINCE OCT 1 21.13 14.84 6.29 12.34  
SINCE JAN 1 11.21 9.61 1.60 1.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 3 1 1  
MONTH TO DATE 125 119 6 88  
SINCE MAR 1 826 726 100 598  
SINCE JUL 1 2886 2667 219 2363  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 34 40 -6 56  
SINCE MAR 1 47 48 -1 67  
SINCE JAN 1 47 48 -1 67    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.6  
 
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 12:00 AM  
LOWEST 55 4:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 99 1978  
MINIMUM TEMPERATURE (F) 51 41 1964  
 
SUNRISE AND SUNSET  
MAY 29 2023...........SUNRISE 5:49 AM PDT SUNSET 8:21 PM PDT  
MAY 30 2023...........SUNRISE 5:48 AM PDT SUNSET 8:22 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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