924  
CDUS46 KMTR 270831  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
131 AM PDT SUN APR 27 2025  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR APRIL 26 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 63 1:52 PM 93 2004 72 -9 66  
MINIMUM 46 5:55 AM 35 1975 46 0 51  
AVERAGE 55 59 -4 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.44 1979 0.02 0.01 0.01  
MONTH TO DATE 0.22 1.01 -0.79 1.37  
SINCE OCT 1 8.60 14.24 -5.64 13.72  
SINCE JAN 1 4.41 9.01 -4.60 10.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 7 3 6  
MONTH TO DATE 186 225 -39 188  
SINCE MAR 1 543 583 -40 525  
SINCE JUL 1 2253 2524 -271 2102  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 1 -1 5  
SINCE MAR 1 1 1 0 5  
SINCE JAN 1 1 1 0 5    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 46 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 2004  
MINIMUM TEMPERATURE (F) 46 33 1984  
 
SUNRISE AND SUNSET  
APRIL 27 2025.........SUNRISE 6:16 AM PDT SUNSET 7:54 PM PDT  
APRIL 28 2025.........SUNRISE 6:15 AM PDT SUNSET 7:55 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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