069  
CDUS46 KMTR 020041  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
541 PM PDT THU MAY 01 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 1 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 3:02 PM 95 2014 73 1 80  
MINIMUM 52 3:21 AM 35 1967 47 5 42  
AVERAGE 63 60 3 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.35 1977 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.00  
SINCE OCT 1 8.57 14.33 -5.76 13.72  
SINCE JAN 1 4.38 9.10 -4.72 10.53  
 
DEGREE DAYS  
HEATING  
TODAY 2 6 -4 4  
MONTH TO DATE 2 6 -4 4  
SINCE MAR 1 496 613 -117 553  
SINCE JUL 1 2206 2554 -348 2130  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 1 -1 0  
SINCE MAR 1 4 9 -5 5  
SINCE JAN 1 4 9 -5 5    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 68  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 96 1947  
MINIMUM TEMPERATURE (F) 47 33 1965  
 
SUNRISE AND SUNSET  
MAY 1 2025...........SUNRISE 6:11 AM PDT SUNSET 7:58 PM PDT  
MAY 2 2025...........SUNRISE 6:10 AM PDT SUNSET 7:59 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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