Climatological Report (Daily)
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CDUS46 KMTR 180026
CLILVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
426 PM PST SUN DEC 17 2017


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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         61    342 PM  74    1958  56      5       51
  MINIMUM         48    741 AM  22    1965  37     11       29
  AVERAGE         55                        47      8       40

PRECIPITATION (IN)
  TODAY            0.00          0.85 1977   0.10  -0.10     0.00
  MONTH TO DATE    T                         1.22  -1.22     1.79
  SINCE OCT 1      1.96                      4.12  -2.16     5.79
  SINCE JAN 1     21.02                     14.25   6.77    16.17

DEGREE DAYS
 HEATING
  TODAY           10                        18     -8       25
  MONTH TO DATE  266                       296    -30      259
  SINCE DEC 1    266                       296    -30      259
  SINCE JUL 1    628                       768   -140      631

 COOLING
  TODAY            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   9   RESULTANT WIND DIRECTION  NE (50)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    10.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    31           800 AM
 LOWEST     22          1200 AM
 AVERAGE    27

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


THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        76      1958
 MINIMUM TEMPERATURE (F)   37        23      1965


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   717 AM PST   SUNSET   450 PM PST
DECEMBER 18 2017......SUNRISE   717 AM PST   SUNSET   451 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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