Climatological Report (Daily)
Issued by NWS

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855
CDUS46 KMTR 180832
CLILVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1232 AM PST WED JAN 18 2017


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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR JANUARY 17 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         48    431 PM  70    1986  56     -8       61
  MINIMUM         30    501 AM  23    1963  37     -7       49
  AVERAGE         39                        47     -8       55

PRECIPITATION (IN)
  YESTERDAY        0.00          0.72 1954   0.08  -0.08     0.25
  MONTH TO DATE    5.23                      1.99   3.24     1.95
  SINCE OCT 1     11.69                      7.57   4.12     6.95
  SINCE JAN 1      5.23                      1.99   3.24     1.95

DEGREE DAYS
 HEATING
  YESTERDAY       26                        18      8       10
  MONTH TO DATE  309                       321    -12      275
  SINCE DEC 1    865                       880    -15      818
  SINCE JUL 1   1237                      1352   -115     1233

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     4.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           900 AM
 LOWEST     76           100 PM
 AVERAGE    88

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


THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        73      2014
 MINIMUM TEMPERATURE (F)   37        23      1961


SUNRISE AND SUNSET
JANUARY 18 2017.......SUNRISE   720 AM PST   SUNSET   516 PM PST
JANUARY 19 2017.......SUNRISE   719 AM PST   SUNSET   517 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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