870  
CDUS46 KMTR 180027  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT SUN MAY 17 2026  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 17 2026
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 1:42 PM 104 2009 75 2 69  
MINIMUM 48 5:27 AM 38 1943 50 -2 51  
AVERAGE 63 62 1 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.53 1994 0.02 -0.02 0.00  
MONTH TO DATE 0.05 0.37 -0.32 0.07  
SINCE OCT 1 11.85 14.68 -2.83 8.68  
SINCE JAN 1 6.19 9.45 -3.26 4.49  
 
DEGREE DAYS  
HEATING  
TODAY 2 4 -2 5  
MONTH TO DATE 39 81 -42 51  
SINCE MAR 1 302 688 -386 615  
SINCE JUL 1 1902 2629 -727 2325  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 11 18 -7 16  
SINCE MAR 1 45 26 19 17  
SINCE JAN 1 46 26 20 17    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.7  
 
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 86 4:00 AM  
LOWEST 15 4:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 97 1973  
MINIMUM TEMPERATURE (F) 50 36 1974  
 
SUNRISE AND SUNSET  
MAY 17 2026...........SUNRISE 5:56 AM PDT SUNSET 8:12 PM PDT  
MAY 18 2026...........SUNRISE 5:55 AM PDT SUNSET 8:13 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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