493  
CDUS46 KMTR 160829  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
129 AM PDT FRI APR 16 2021  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR APRIL 15 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1930 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 2:12 PM 90 1947 68 4 81  
MINIMUM 43 6:07 AM 32 1970 45 -2 42  
AVERAGE 58 56 2 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.47 1978 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.59 -0.59 0.82  
SINCE OCT 1 5.46 14.41 -8.95 6.06  
SINCE JAN 1 4.03 8.83 -4.80 4.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 9 -2 3  
MONTH TO DATE 101 150 -49 148  
SINCE MAR 1 496 507 -11 523  
SINCE JUL 1 2180 2514 -334 2205  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 1 0 0  
SINCE JAN 1 3 1 2 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.2  
 
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 89 3:00 AM  
LOWEST 22 11:00 AM  
AVERAGE 56  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 1987  
MINIMUM TEMPERATURE (F) 45 33 1974  
 
SUNRISE AND SUNSET  
APRIL 16 2021.........SUNRISE 6:30 AM PDT SUNSET 7:44 PM PDT  
APRIL 17 2021.........SUNRISE 6:29 AM PDT SUNSET 7:45 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page