Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 170829
CLILVK


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST SUN DEC 17 2017


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

...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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         63    107 PM  72    1958  56      7       53
  MINIMUM         36    449 AM  25    1971  38     -2       34
  AVERAGE         50                        47      3       44

PRECIPITATION (IN)
  YESTERDAY        0.00          2.08 2002   0.09  -0.09      T
  MONTH TO DATE    T                         1.12  -1.12     1.79
  SINCE OCT 1      1.96                      4.02  -2.06     5.79
  SINCE JAN 1     21.02                     14.15   6.87    16.17

DEGREE DAYS
 HEATING
  YESTERDAY       15                        18     -3       21
  MONTH TO DATE  256                       278    -22      234
  SINCE DEC 1    256                       278    -22      234
  SINCE JUL 1    618                       750   -132      606

 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   8   RESULTANT WIND DIRECTION   N (360)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     9.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     17          1200 PM
 AVERAGE    55

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


THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        74      1958
 MINIMUM TEMPERATURE (F)   37        22      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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