256  
CDUS46 KMTR 120843  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1243 AM PST MON DEC 12 2022  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 2022  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 52 12:17 PM 72 1958 58 -6 58  
MINIMUM 44 8:09 AM 20 1972 38 6 28  
AVERAGE 48 48 0 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.26 2.56 2014 0.09 0.17 0.00  
MONTH TO DATE 2.55 0.93 1.62 0.09  
SINCE OCT 1 4.38 3.36 1.02 6.02  
SINCE JAN 1 6.43 13.31 -6.88 10.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 17 0 22  
MONTH TO DATE 195 182 13 171  
SINCE DEC 1 195 182 13 171  
SINCE JUL 1 692 639 53 565  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1195 849 346 1089    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 65 2:00 PM  
AVERAGE 78  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 79 1958  
MINIMUM TEMPERATURE (F) 38 20 1972  
 
SUNRISE AND SUNSET  
DECEMBER 12 2022......SUNRISE 7:13 AM PST SUNSET 4:49 PM PST  
DECEMBER 13 2022......SUNRISE 7:14 AM PST SUNSET 4:49 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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