717  
CDUS46 KMTR 050032  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
532 PM PDT SUN MAY 04 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 4 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 74 3:48 PM 96 1990 73 1 56  
MINIMUM 45 4:45 AM 32 1952 48 -3 47  
AVERAGE 60 60 0 52  
 
PRECIPITATION (IN)  
TODAY 0.00 0.51 2024 0.02 -0.02 0.51  
MONTH TO DATE 0.00 0.09 -0.09 0.51  
SINCE OCT 1 8.57 14.40 -5.83 14.23  
SINCE JAN 1 4.38 9.17 -4.79 11.04  
 
DEGREE DAYS  
HEATING  
TODAY 5 5 0 13  
MONTH TO DATE 24 23 1 21  
SINCE MAR 1 518 630 -112 570  
SINCE JUL 1 2228 2571 -343 2147  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE MAR 1 4 12 -8 5  
SINCE JAN 1 4 12 -8 5    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 38 3:00 PM  
AVERAGE 64  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 97 1987  
MINIMUM TEMPERATURE (F) 48 32 1952  
 
SUNRISE AND SUNSET  
MAY 4 2025...........SUNRISE 6:08 AM PDT SUNSET 8:01 PM PDT  
MAY 5 2025...........SUNRISE 6:07 AM PDT SUNSET 8:02 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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