983  
CDUS46 KMTR 120836  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
136 AM PDT MON MAY 12 2025  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 11 2025
 
 
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)  
YESTERDAY  
MAXIMUM 69 1:25 PM 101 1934 74 -5 88  
MINIMUM 51 5:16 AM 36 2010 49 2 53  
AVERAGE 60 62 -2 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.57 1942 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.25 -0.25 0.51  
SINCE OCT 1 8.61 14.56 -5.95 14.23  
SINCE JAN 1 4.42 9.33 -4.91 11.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 4 1 0  
MONTH TO DATE 31 57 -26 51  
SINCE MAR 1 595 664 -69 600  
SINCE JUL 1 2305 2605 -300 2177  
 
COOLING  
YESTERDAY 0 1 -1 6  
MONTH TO DATE 16 11 5 12  
SINCE MAR 1 17 19 -2 17  
SINCE JAN 1 17 19 -2 17    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 10:00 PM  
LOWEST 35 2:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 100 1976  
MINIMUM TEMPERATURE (F) 49 38 1967  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 6:00 AM PDT SUNSET 8:08 PM PDT  
MAY 13 2025...........SUNRISE 5:59 AM PDT SUNSET 8:09 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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