532  
CDUS46 KMTR 230045  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
545 PM PDT THU MAY 22 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 22 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 12:42 PM 99 2000 76 2 80  
MINIMUM 51 5:42 AM 38 1964 50 1 51  
AVERAGE 65 63 2 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.21 2006 0.01 -0.01 0.00  
MONTH TO DATE 0.07 0.44 -0.37 0.51  
SINCE OCT 1 8.68 14.75 -6.07 14.23  
SINCE JAN 1 4.49 9.52 -5.03 11.04  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 53 101 -48 57  
SINCE MAR 1 617 708 -91 606  
SINCE JUL 1 2327 2649 -322 2183  
 
COOLING  
TODAY 0 2 -2 1  
MONTH TO DATE 23 28 -5 22  
SINCE MAR 1 24 36 -12 27  
SINCE JAN 1 24 36 -12 27    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 3:00 AM  
LOWEST 33 12:00 PM  
AVERAGE 57  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 101 1943  
MINIMUM TEMPERATURE (F) 51 38 2010  
 
SUNRISE AND SUNSET  
MAY 22 2025...........SUNRISE 5:52 AM PDT SUNSET 8:16 PM PDT  
MAY 23 2025...........SUNRISE 5:51 AM PDT SUNSET 8:17 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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