058  
CDUS46 KMTR 270834  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
134 AM PDT TUE MAY 27 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 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 72 1:15 PM 103 1951 77 -5 80  
MINIMUM 52 11:59 PM 37 1953 51 1 44  
AVERAGE 62 64 -2 62  
 
PRECIPITATION (IN)  
YESTERDAY T 0.22 1934 0.01 -0.01 0.00  
MONTH TO DATE 0.07 0.50 -0.43 0.51  
SINCE OCT 1 8.68 14.81 -6.13 14.23  
SINCE JAN 1 4.49 9.58 -5.09 11.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 3 0 3  
MONTH TO DATE 72 113 -41 78  
SINCE MAR 1 636 720 -84 627  
SINCE JUL 1 2346 2661 -315 2204  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 23 36 -13 22  
SINCE MAR 1 24 44 -20 27  
SINCE JAN 1 24 44 -20 27    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 10:00 PM  
LOWEST 45 1:00 PM  
AVERAGE 67  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 102 1951  
MINIMUM TEMPERATURE (F) 51 38 1953  
 
SUNRISE AND SUNSET  
MAY 27 2025...........SUNRISE 5:49 AM PDT SUNSET 8:20 PM PDT  
MAY 28 2025...........SUNRISE 5:49 AM PDT SUNSET 8:21 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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