Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 210045
CLILVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
445 PM PST SAT DEC 20 2014


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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1930 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         62    235 PM  67    1969  56      6       64
  MINIMUM         55    821 AM  23    1978  37     18       37
  AVERAGE         59                        46     13       51

PRECIPITATION (IN)
  TODAY            0.08          0.71 1981   0.10  -0.02     0.00
  MONTH TO DATE    8.10                      1.53   6.57     0.39
  SINCE JUL 1      9.81                      4.66   5.15     2.38
  SINCE JAN 1     14.69                     14.56   0.13     4.50

DEGREE DAYS
 HEATING
  TODAY            6                        19    -13       14
  MONTH TO DATE  152                       352   -200      378
  SINCE DEC 1    152                       352   -200      378
  SINCE JUL 1    383                       824   -441      696

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1268                       830    438     1039
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED     8   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     1.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           700 AM
 LOWEST     64           300 PM
 AVERAGE    75

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


THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        67      2013
                                             2005
 MINIMUM TEMPERATURE (F)   37        20      1968


SUNRISE AND SUNSET
DECEMBER 20 2014......SUNRISE   718 AM PST   SUNSET   452 PM PST
DECEMBER 21 2014......SUNRISE   719 AM PST   SUNSET   452 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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