965  
CDUS46 KMTR 150835  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
135 AM PDT MON MAY 15 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR MAY 14 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 2:14 PM 98 1972 75 11 87  
2014  
MINIMUM 55 11:24 PM 34 1964 49 6 51  
AVERAGE 71 62 9 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.42 2015 0.02 -0.02 0.00  
MONTH TO DATE 0.34 0.31 0.03 0.00  
SINCE OCT 1 21.13 14.62 6.51 12.34  
SINCE JAN 1 11.21 9.39 1.82 1.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 103 69 34 81  
SINCE MAR 1 804 676 128 591  
SINCE JUL 1 2864 2617 247 2356  
 
COOLING  
YESTERDAY 6 1 5 4  
MONTH TO DATE 12 14 -2 7  
SINCE MAR 1 25 22 3 18  
SINCE JAN 1 25 22 3 18    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.4  
 
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 87 11:00 PM  
LOWEST 32 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 98 1970  
2008  
MINIMUM TEMPERATURE (F) 49 35 1964  
 
SUNRISE AND SUNSET  
MAY 15 2023...........SUNRISE 5:58 AM PDT SUNSET 8:10 PM PDT  
MAY 16 2023...........SUNRISE 5:57 AM PDT SUNSET 8:11 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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