505  
CDUS46 KMTR 010028  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
528 PM PDT WED MAY 31 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 31 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 73 3:11 PM 104 2001 78 -5 84  
MINIMUM 53 5:42 AM 41 1971 52 1 47  
AVERAGE 63 65 -2 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.21 1944 0.01 -0.01 0.00  
MONTH TO DATE 0.34 0.56 -0.22 0.00  
SINCE OCT 1 21.13 14.87 6.26 12.34  
SINCE JAN 1 11.21 9.64 1.57 1.56  
 
DEGREE DAYS  
HEATING  
TODAY 2 2 0 0  
MONTH TO DATE 133 126 7 90  
SINCE MAR 1 834 733 101 600  
SINCE JUL 1 2894 2674 220 2365  
 
COOLING  
TODAY 0 2 -2 1  
MONTH TO DATE 34 44 -10 57  
SINCE MAR 1 47 52 -5 68  
SINCE JAN 1 47 52 -5 68    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 12:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 105 1938  
MINIMUM TEMPERATURE (F) 52 41 1965  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 5:48 AM PDT SUNSET 8:23 PM PDT  
JUNE 1 2023..........SUNRISE 5:47 AM PDT SUNSET 8:23 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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