861  
CDUS46 KMTR 180829  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST SAT NOV 18 2023  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 17 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 68 2:07 PM 79 1932 65 3 66  
MINIMUM 46 6:38 AM 23 1961 42 4 34  
AVERAGE 57 53 4 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.93 1996 0.06 -0.05 0.00  
MONTH TO DATE 0.33 0.83 -0.50 1.83  
SINCE OCT 1 0.40 1.58 -1.18 1.83  
SINCE JAN 1 11.67 11.53 0.14 3.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 12 -4 15  
MONTH TO DATE 97 158 -61 232  
SINCE SEP 1 181 270 -89 301  
SINCE JUL 1 191 277 -86 307  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 0 3 0  
SINCE SEP 1 200 222 -22 390  
SINCE JAN 1 928 848 80 1195    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 54 10:00 PM  
AVERAGE 77  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 80 1967  
MINIMUM TEMPERATURE (F) 41 25 1961  
 
SUNRISE AND SUNSET  
NOVEMBER 18 2023......SUNRISE 6:50 AM PST SUNSET 4:54 PM PST  
NOVEMBER 19 2023......SUNRISE 6:51 AM PST SUNSET 4:54 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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