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[Printable]
871
CDUS46 KMTR 200845
CLILVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1245 AM PST SAT DEC 20 2014


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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 2014...

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)
 YESTERDAY
  MAXIMUM         62   1140 AM  70    1958  56      6       61
  MINIMUM         49   1254 AM  23    1965  37     12       37
  AVERAGE         56                        46     10       49

PRECIPITATION (IN)
  YESTERDAY        0.20          1.13 2010   0.11   0.09     0.00
  MONTH TO DATE    8.02                      1.43   6.59     0.39
  SINCE JUL 1      9.73                      4.56   5.17     2.38
  SINCE JAN 1     14.61                     14.46   0.15     4.50

DEGREE DAYS
 HEATING
  YESTERDAY        9                        19    -10       16
  MONTH TO DATE  146                       333   -187      364
  SINCE DEC 1    146                       333   -187      364
  SINCE JUL 1    377                       805   -428      682

 COOLING
  YESTERDAY        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   E (110)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     2.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           100 AM
 LOWEST     64          1000 AM
 AVERAGE    79

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


THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        67      1969
 MINIMUM TEMPERATURE (F)   37        23      1978


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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