674  
CDUS46 KMTR 160029  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
529 PM PDT TUE APR 15 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR APRIL 15 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 67 2:17 PM 90 1947 69 -2 67  
MINIMUM 51 12:06 AM 32 1970 44 7 49  
AVERAGE 59 57 2 58  
 
PRECIPITATION (IN)  
TODAY 0.00 0.47 1978 0.04 -0.04 0.00  
MONTH TO DATE 0.19 0.68 -0.49 1.36  
SINCE OCT 1 8.57 13.91 -5.34 13.71  
SINCE JAN 1 4.38 8.68 -4.30 10.52  
 
DEGREE DAYS  
HEATING  
TODAY 6 8 -2 7  
MONTH TO DATE 108 142 -34 149  
SINCE MAR 1 465 500 -35 486  
SINCE JUL 1 2175 2441 -266 2063  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE MAR 1 1 0 1 2  
SINCE JAN 1 1 0 1 2    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 1987  
MINIMUM TEMPERATURE (F) 45 33 1974  
 
SUNRISE AND SUNSET  
APRIL 15 2025.........SUNRISE 6:32 AM PDT SUNSET 7:43 PM PDT  
APRIL 16 2025.........SUNRISE 6:30 AM PDT SUNSET 7:44 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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