420  
CDUS46 KMTR 050027  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
527 PM PDT SAT APR 04 2026  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR APRIL 4 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 82 3:36 PM 87 1959 67 15 71  
MINIMUM 41 3:53 AM 32 1945 43 -2 37  
2023  
AVERAGE 62 55 7 54  
 
PRECIPITATION (IN)  
TODAY 0.00 1.04 1941 0.06 -0.06 0.00  
MONTH TO DATE 0.23 0.22 0.01 0.19  
SINCE OCT 1 10.26 13.45 -3.19 8.57  
SINCE JAN 1 4.60 8.22 -3.62 4.38  
 
DEGREE DAYS  
HEATING  
TODAY 3 10 -7 11  
MONTH TO DATE 23 40 -17 56  
SINCE MAR 1 120 398 -278 413  
SINCE JUL 1 1720 2339 -619 2123  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 32 0 32 1  
SINCE JAN 1 33 0 33 1    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 4:00 AM  
LOWEST 22 3:00 PM  
AVERAGE 52  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 84 1989  
MINIMUM TEMPERATURE (F) 43 32 1945  
 
SUNRISE AND SUNSET  
APRIL 4 2026.........SUNRISE 6:48 AM PDT SUNSET 7:33 PM PDT  
APRIL 5 2026.........SUNRISE 6:46 AM PDT SUNSET 7:34 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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