133  
CDUS46 KMTR 260035  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
535 PM PDT THU MAY 25 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 25 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 70 2:52 PM 100 2022 77 -7 100  
MINIMUM 53 5:57 AM 39 1980 51 2 61  
AVERAGE 62 64 -2 81  
 
PRECIPITATION (IN)  
TODAY 0.00 0.68 1931 0.02 -0.02 0.00  
MONTH TO DATE 0.34 0.49 -0.15 0.00  
SINCE OCT 1 21.13 14.80 6.33 12.34  
SINCE JAN 1 11.21 9.57 1.64 1.56  
 
DEGREE DAYS  
HEATING  
TODAY 3 3 0 0  
MONTH TO DATE 116 110 6 87  
SINCE MAR 1 817 717 100 597  
SINCE JUL 1 2877 2658 219 2362  
 
COOLING  
TODAY 0 2 -2 16  
MONTH TO DATE 34 34 0 54  
SINCE MAR 1 47 42 5 65  
SINCE JAN 1 47 42 5 65    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.5  
 
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 80 1:00 AM  
LOWEST 47 1:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 103 1951  
MINIMUM TEMPERATURE (F) 51 37 1953  
 
SUNRISE AND SUNSET  
MAY 25 2023...........SUNRISE 5:51 AM PDT SUNSET 8:18 PM PDT  
MAY 26 2023...........SUNRISE 5:50 AM PDT SUNSET 8:19 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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