National Weather Service Raw Text Product

Displaying AFOS PIL: CLILVK Received: 2017-12-07 08:28 UTC


589 
CDUS46 KMTR 070828
CLILVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1228 AM PST THU DEC 7 2017


................................... 

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1930 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         61    248 PM  75    1958  57      4       55       
  MINIMUM         32    606 AM  24    2009  39     -7       34       
  AVERAGE         47                        48     -1       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.81 1952   0.07  -0.07     0.00    
  MONTH TO DATE    T                         0.36  -0.36     0.00    
  SINCE OCT 1      1.96                      3.26  -1.30     4.00    
  SINCE JAN 1     21.02                     13.39   7.63    14.38    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                        17      1       20       
  MONTH TO DATE   92                       100     -8       99       
  SINCE DEC 1     92                       100     -8       99       
  SINCE JUL 1    454                       572   -118      471       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1149                       830    319      955       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (70)       
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     4.8                                         

                                                                     
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    75           400 AM                                     
 LOWEST     29           300 PM                                     
 AVERAGE    52                                                       

..........................................................

                                                                     
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        72      1958                    
 MINIMUM TEMPERATURE (F)   38        27      1947                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  7 2017......SUNRISE   709 AM PST   SUNSET   448 PM PST   
DECEMBER  8 2017......SUNRISE   710 AM PST   SUNSET   448 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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