770  
CDUS46 KMTR 290036  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
536 PM PDT WED MAY 28 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 28 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 71 3:52 PM 103 1984 78 -7 78  
MINIMUM 52 1:36 AM 41 1989 51 1 50  
2010  
AVERAGE 62 64 -2 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.82 1990 0.02 -0.02 0.00  
MONTH TO DATE 0.07 0.53 -0.46 0.51  
SINCE OCT 1 8.68 14.84 -6.16 14.23  
SINCE JAN 1 4.49 9.61 -5.12 11.04  
 
DEGREE DAYS  
HEATING  
TODAY 3 3 0 1  
MONTH TO DATE 75 119 -44 81  
SINCE MAR 1 639 726 -87 630  
SINCE JUL 1 2349 2667 -318 2207  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 25 40 -15 22  
SINCE MAR 1 26 48 -22 27  
SINCE JAN 1 26 48 -22 27    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 12:00 AM  
LOWEST 44 4:00 PM  
AVERAGE 67  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 99 1978  
MINIMUM TEMPERATURE (F) 51 41 1964  
 
SUNRISE AND SUNSET  
MAY 28 2025...........SUNRISE 5:49 AM PDT SUNSET 8:21 PM PDT  
MAY 29 2025...........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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