585  
CDUS46 KMTR 300830  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT THU APR 30 2026  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR APRIL 29 2026  
 
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)  
YESTERDAY  
MAXIMUM 78 2:00 PM 96 1981 72 6 83  
MINIMUM 46 5:12 AM 33 1970 47 -1 44  
AVERAGE 62 59 3 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.28 1948 0.01 -0.01 0.00  
MONTH TO DATE 1.77 1.06 0.71 0.23  
SINCE OCT 1 11.80 14.29 -2.49 8.61  
SINCE JAN 1 6.14 9.06 -2.92 4.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 6 -3 1  
MONTH TO DATE 164 244 -80 207  
SINCE MAR 1 261 602 -341 564  
SINCE JUL 1 1861 2543 -682 2274  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 2 4 -2 0  
SINCE MAR 1 34 4 30 1  
SINCE JAN 1 35 4 31 1    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.2  
 
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 93 4:00 AM  
LOWEST 30 1:00 PM  
AVERAGE 62  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 1981  
MINIMUM TEMPERATURE (F) 47 34 1961  
 
SUNRISE AND SUNSET  
APRIL 30 2026.........SUNRISE 6:13 AM PDT SUNSET 7:57 PM PDT  
MAY 1 2026...........SUNRISE 6:11 AM PDT SUNSET 7:58 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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