213  
CDUS46 KMTR 180833  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1233 AM PST WED JAN 18 2023  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JANUARY 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 56 3:22 PM 76 2021 57 -1 64  
MINIMUM 35 7:43 AM 23 1963 38 -3 40  
AVERAGE 46 48 -2 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.72 1954 0.08 -0.08 0.00  
MONTH TO DATE 6.24 1.63 4.61 0.02  
SINCE OCT 1 16.16 6.86 9.30 10.80  
SINCE JAN 1 6.24 1.63 4.61 0.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 18 1 13  
MONTH TO DATE 232 306 -74 266  
SINCE DEC 1 792 844 -52 820  
SINCE JUL 1 1289 1301 -12 1214  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 2.2  
 
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 97 2:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 73  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 75 2021  
MINIMUM TEMPERATURE (F) 38 23 1961  
 
SUNRISE AND SUNSET  
JANUARY 18 2023.......SUNRISE 7:20 AM PST SUNSET 5:16 PM PST  
JANUARY 19 2023.......SUNRISE 7:20 AM PST SUNSET 5:17 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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