886  
CDUS46 KMTR 310830  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1230 AM PST TUE JAN 31 2023  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JANUARY 30 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 52 2:44 PM 75 1976 58 -6 MM  
MINIMUM 34 10:37 PM 22 1975 39 -5 MM  
AVERAGE 43 48 -5 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.52 1968 0.10 -0.10 0.00  
MONTH TO DATE 6.36 2.74 3.62 0.02  
SINCE OCT 1 16.28 7.97 8.31 10.80  
SINCE JAN 1 6.36 2.74 3.62 0.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 16 6 MM  
MONTH TO DATE 471 526 -55 437  
SINCE DEC 1 1031 1064 -33 991  
SINCE JUL 1 1528 1521 7 1385  
 
COOLING  
YESTERDAY 0 0 0 MM  
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 5 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 5.5  
 
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 52 8:00 PM  
LOWEST 24 1:00 PM  
AVERAGE 38  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 74 2015  
MINIMUM TEMPERATURE (F) 39 22 1972  
 
SUNRISE AND SUNSET  
JANUARY 31 2023.......SUNRISE 7:12 AM PST SUNSET 5:30 PM PST  
FEBRUARY 1 2023......SUNRISE 7:11 AM PST SUNSET 5:31 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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