886  
CDUS46 KMTR 180025  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
425 PM PST SAT DEC 17 2022  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2022
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 55 1:50 PM 74 1958 57 -2 52  
MINIMUM 30 7:59 AM 22 1965 37 -7 35  
AVERAGE 43 47 -4 44  
 
PRECIPITATION (IN)  
TODAY 0.00 0.85 1977 0.10 -0.10 0.00  
MONTH TO DATE 2.62 1.48 1.14 2.07  
SINCE OCT 1 4.45 3.91 0.54 8.00  
SINCE JAN 1 6.50 13.86 -7.36 12.16  
 
DEGREE DAYS  
HEATING  
TODAY 22 18 4 21  
MONTH TO DATE 325 288 37 278  
SINCE DEC 1 325 288 37 278  
SINCE JUL 1 822 745 77 672  
 
COOLING  
TODAY 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 2 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 54 2:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 76 1958  
MINIMUM TEMPERATURE (F) 37 23 1965  
 
SUNRISE AND SUNSET  
DECEMBER 17 2022......SUNRISE 7:17 AM PST SUNSET 4:50 PM PST  
DECEMBER 18 2022......SUNRISE 7:17 AM PST SUNSET 4:51 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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