413  
CDUS46 KMTR 090826  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
126 AM PDT FRI MAY 09 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 8 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 85 4:04 PM 98 2001 74 11 78  
MINIMUM 48 3:38 AM 36 1964 48 0 46  
AVERAGE 67 61 6 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 1955 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.18 -0.18 0.51  
SINCE OCT 1 8.61 14.49 -5.88 14.23  
SINCE JAN 1 4.42 9.26 -4.84 11.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 3  
MONTH TO DATE 26 43 -17 51  
SINCE MAR 1 590 650 -60 600  
SINCE JUL 1 2300 2591 -291 2177  
 
COOLING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 3 8 -5 0  
SINCE MAR 1 4 16 -12 5  
SINCE JAN 1 4 16 -12 5    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 29 1:00 PM  
AVERAGE 61  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 97 1931  
MINIMUM TEMPERATURE (F) 48 37 1983  
 
SUNRISE AND SUNSET  
MAY 9 2025...........SUNRISE 6:03 AM PDT SUNSET 8:05 PM PDT  
MAY 10 2025...........SUNRISE 6:02 AM PDT SUNSET 8:06 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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