432  
CDUS46 KMTR 190827  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1227 AM PST THU JAN 19 2023  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JANUARY 18 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 3:18 PM 75 2021 57 -1 60  
MINIMUM 33 7:39 AM 23 1961 38 -5 37  
AVERAGE 45 48 -3 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.16 1973 0.09 0.00 0.00  
MONTH TO DATE 6.33 1.72 4.61 0.02  
SINCE OCT 1 16.25 6.95 9.30 10.80  
SINCE JAN 1 6.33 1.72 4.61 0.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 17 3 16  
MONTH TO DATE 252 323 -71 282  
SINCE DEC 1 812 861 -49 836  
SINCE JUL 1 1309 1318 -9 1230  
 
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 2 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 2:00 AM  
LOWEST 57 3:00 PM  
AVERAGE 75  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 70 1976  
MINIMUM TEMPERATURE (F) 38 21 1943  
 
SUNRISE AND SUNSET  
JANUARY 19 2023.......SUNRISE 7:20 AM PST SUNSET 5:17 PM PST  
JANUARY 20 2023.......SUNRISE 7:19 AM PST SUNSET 5:18 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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